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31214102431424 = 2611211320983537
BaseRepresentation
bin1110001100011100110010…
…11111001100011011000000
311002112001001110121121112112
413012032121133030123000
513042402440210301144
6150215321035514452
76401100361650533
oct706163137143300
9132461043547475
1031214102431424
119a44910088650
1236016038b8a28
13145562861b223
1479cab0812a1a
15391e3cacc99e
hex1c63997cc6c0

31214102431424 has 56 divisors (see below), whose sum is σ = 67603419781968. Its totient is φ = 14181512970240.

The previous prime is 31214102431373. The next prime is 31214102431441. The reversal of 31214102431424 is 42413420141213.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9004217 + ... + 11979320.

It is an arithmetic number, because the mean of its divisors is an integer number (1207203924678).

Almost surely, 231214102431424 is an apocalyptic number.

It is an amenable number.

31214102431424 is an abundant number, since it is smaller than the sum of its proper divisors (36389317350544).

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

31214102431424 is a wasteful number, since it uses less digits than its factorization.

31214102431424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20985673 (or 20985663 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 32.

Adding to 31214102431424 its reverse (42413420141213), we get a palindrome (73627522572637).

The spelling of 31214102431424 in words is "thirty-one trillion, two hundred fourteen billion, one hundred two million, four hundred thirty-one thousand, four hundred twenty-four".

Divisors: 1 2 4 8 11 16 22 32 44 64 88 176 352 704 2113 4226 8452 16904 23243 33808 46486 67616 92972 135232 185944 371888 743776 1487552 20983537 41967074 83934148 167868296 230818907 335736592 461637814 671473184 923275628 1342946368 1846551256 3693102512 7386205024 14772410048 44338213681 88676427362 177352854724 354705709448 487720350491 709411418896 975440700982 1418822837792 1950881401964 2837645675584 3901762803928 7803525607856 15607051215712 31214102431424