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331012032032 = 25113739764019
BaseRepresentation
bin1001101000100011101…
…10101100011000100000
31011122101210112111002002
410310101312230120200
520410403040011112
6412022000343132
732625533564033
oct4642166543040
91148353474062
10331012032032
11118421731a40
125419b314aa8
13252a2a84616
1412041b4b01a
1589250941c2
hex4d11dac620

331012032032 has 96 divisors (see below), whose sum is σ = 731988290880. Its totient is φ = 146022497280.

The previous prime is 331012032011. The next prime is 331012032037. The reversal of 331012032032 is 230230210133.

It is a junction number, because it is equal to n+sod(n) for n = 331012031995 and 331012032013.

It is not an unprimeable number, because it can be changed into a prime (331012032037) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5138519 + ... + 5202537.

It is an arithmetic number, because the mean of its divisors is an integer number (7624878030).

Almost surely, 2331012032032 is an apocalyptic number.

331012032032 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 331012032032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (365994145440).

331012032032 is an abundant number, since it is smaller than the sum of its proper divisors (400976258848).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

331012032032 is a wasteful number, since it uses less digits than its factorization.

331012032032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64474 (or 64466 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 331012032032 its reverse (230230210133), we get a palindrome (561242242165).

The spelling of 331012032032 in words is "three hundred thirty-one billion, twelve million, thirty-two thousand, thirty-two".

Divisors: 1 2 4 8 11 16 22 32 37 44 74 88 148 176 296 352 397 407 592 794 814 1184 1588 1628 3176 3256 4367 6352 6512 8734 12704 13024 14689 17468 29378 34936 58756 64019 69872 117512 128038 139744 161579 235024 256076 323158 470048 512152 646316 704209 1024304 1292632 1408418 2048608 2368703 2585264 2816836 4737406 5170528 5633672 9474812 11267344 18949624 22534688 25415543 26055733 37899248 50831086 52111466 75798496 101662172 104222932 203324344 208445864 279570973 406648688 416891728 559141946 813297376 833783456 940375091 1118283892 1880750182 2236567784 3761500364 4473135568 7523000728 8946271136 10344126001 15046001456 20688252002 30092002912 41376504004 82753008008 165506016016 331012032032