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31013222010122 = 21117194364371237
BaseRepresentation
bin1110000110100110101000…
…00101001100110100001010
311001210211112202122220001202
413003103110011030310022
513031110034313310442
6145543135535144202
76350426360360552
oct703232405146412
9131724482586052
1031013222010122
1199776a7347940
12358a6a1375062
13143c6c3a9c101
14793095830162
1538bad21e7c32
hex1c34d414cd0a

31013222010122 has 32 divisors (see below), whose sum is σ = 56562251244480. Its totient is φ = 12569389159680.

The previous prime is 31013222010109. The next prime is 31013222010137. The reversal of 31013222010122 is 22101022231013.

It is a junction number, because it is equal to n+sod(n) for n = 31013222010094 and 31013222010103.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2182178513 + ... + 2182192724.

It is an arithmetic number, because the mean of its divisors is an integer number (1767570351390).

Almost surely, 231013222010122 is an apocalyptic number.

31013222010122 is a deficient number, since it is larger than the sum of its proper divisors (25549029234358).

31013222010122 is a wasteful number, since it uses less digits than its factorization.

31013222010122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4364371286.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 31013222010122 its reverse (22101022231013), we get a palindrome (53114244241135).

The spelling of 31013222010122 in words is "thirty-one trillion, thirteen billion, two hundred twenty-two million, ten thousand, one hundred twenty-two".

Divisors: 1 2 11 17 19 22 34 38 187 209 323 374 418 646 3553 7106 4364371237 8728742474 48008083607 74194311029 82923053503 96016167214 148388622058 165846107006 816137421319 912153588533 1409691909551 1632274842638 1824307177066 2819383819102 15506611005061 31013222010122