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31013120300022 = 233782045291799
BaseRepresentation
bin1110000110100110011100…
…00001001101001111110110
311001210211021200021111001000
413003103032001031033312
513031104332244100042
6145543121503144130
76350424014013630
oct703231601151766
9131724250244030
1031013120300022
119977654998603
12358a6732a5046
13143c6a89aa113
14793086115a50
1538bac830674c
hex1c34ce04d3f6

31013120300022 has 32 divisors (see below), whose sum is σ = 78763480128000. Its totient is φ = 8860891514184.

The previous prime is 31013120300011. The next prime is 31013120300039. The reversal of 31013120300022 is 22000302131013.

31013120300022 is a `hidden beast` number, since 31 + 0 + 1 + 312 + 0 + 300 + 0 + 22 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 31013120299968 and 31013120300004.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41022645522 + ... + 41022646277.

It is an arithmetic number, because the mean of its divisors is an integer number (2461358754000).

Almost surely, 231013120300022 is an apocalyptic number.

31013120300022 is an abundant number, since it is smaller than the sum of its proper divisors (47750359827978).

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

31013120300022 is a wasteful number, since it uses less digits than its factorization.

31013120300022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82045291817 (or 82045291811 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 31013120300022 its reverse (22000302131013), we get a palindrome (53013422431035).

The spelling of 31013120300022 in words is "thirty-one trillion, thirteen billion, one hundred twenty million, three hundred thousand, twenty-two".

Divisors: 1 2 3 6 7 9 14 18 21 27 42 54 63 126 189 378 82045291799 164090583598 246135875397 492271750794 574317042593 738407626191 1148634085186 1476815252382 1722951127779 2215222878573 3445902255558 4430445757146 5168853383337 10337706766674 15506560150011 31013120300022