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31023210013010 = 2517369135817247
BaseRepresentation
bin1110000110111001001110…
…11010011010000101010010
311001211210022211212000020122
413003130213122122011102
513031241013230404020
6145551511012510242
76351232031114525
oct703344732320522
9131753284760218
1031023210013010
119980962308286
12359060a31b382
1314406261489a7
1479376214cbbc
1538beb8ed6125
hex1c372769a152

31023210013010 has 64 divisors (see below), whose sum is σ = 56269313155584. Its totient is φ = 12314559609600.

The previous prime is 31023210012959. The next prime is 31023210013031. The reversal of 31023210013010 is 1031001232013.

It is a super-2 number, since 2×310232100130102 (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 31023210013010.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4280831207 + ... + 4280838453.

It is an arithmetic number, because the mean of its divisors is an integer number (879208018056).

Almost surely, 231023210013010 is an apocalyptic number.

31023210013010 is a deficient number, since it is larger than the sum of its proper divisors (25246103142574).

31023210013010 is a wasteful number, since it uses less digits than its factorization.

31023210013010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11699.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 31023210013010 its reverse (1031001232013), we get a palindrome (32054211245023).

The spelling of 31023210013010 in words is "thirty-one trillion, twenty-three billion, two hundred ten million, thirteen thousand, ten".

Divisors: 1 2 5 10 173 346 691 865 1382 1730 3455 3581 6910 7162 7247 14494 17905 35810 36235 72470 119543 239086 597715 619513 1195430 1239026 1253731 2474471 2507462 3097565 4948942 5007677 6195130 6268655 10015354 12372355 12537310 24744710 25038385 25951507 50076770 51903014 129757535 259515070 428083483 856166966 866328121 1732656242 2140417415 4280834830 4331640605 4489610711 8663281210 8979221422 17932491337 22448053555 35864982674 44896107110 89662456685 179324913370 3102321001301 6204642002602 15511605006505 31023210013010