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12131020323310 = 2571915631611601
BaseRepresentation
bin1011000010000111100100…
…1010000011100111101110
31120221201021122221010212111
42300201321022003213232
53042223312200321220
641444525214154234
72361302664254260
oct260417112034756
946851248833774
1012131020323310
113957811798a39
12143b0a61b297a
1369cc47a98c05
142dd2047a5b30
1516085062c15a
hexb08792839ee

12131020323310 has 64 divisors (see below), whose sum is σ = 25130470662144. Its totient is φ = 4130079552000.

The previous prime is 12131020323281. The next prime is 12131020323319. The reversal of 12131020323310 is 1332302013121.

It is a super-2 number, since 2×121310203233102 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12131020323319) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6721510 + ... + 8333110.

It is an arithmetic number, because the mean of its divisors is an integer number (392663604096).

Almost surely, 212131020323310 is an apocalyptic number.

12131020323310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12131020323310 is an abundant number, since it is smaller than the sum of its proper divisors (12999450338834).

12131020323310 is a wasteful number, since it uses less digits than its factorization.

12131020323310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1612369.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 12131020323310 its reverse (1332302013121), we get a palindrome (13463322336431).

The spelling of 12131020323310 in words is "twelve trillion, one hundred thirty-one billion, twenty million, three hundred twenty-three thousand, three hundred ten".

Divisors: 1 2 5 7 10 14 35 70 191 382 563 955 1126 1337 1910 2674 2815 3941 5630 6685 7882 13370 19705 39410 107533 215066 537665 752731 1075330 1505462 1611601 3223202 3763655 7527310 8058005 11281207 16116010 22562414 56406035 112812070 307815791 615631582 907331363 1539078955 1814662726 2154710537 3078157910 4309421074 4536656815 6351319541 9073313630 10773552685 12702639082 21547105370 31756597705 63513195410 173300290333 346600580666 866501451665 1213102032331 1733002903330 2426204064662 6065510161655 12131020323310