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31312022113032 = 23323109495180809
BaseRepresentation
bin1110001111010011001011…
…11101001000101100001000
311002212101210122202211102220
413013221211331020230020
513101004010130104112
6150332313330254040
76411135045344043
oct707514575105410
9132771718684386
1031312022113032
119a823991a8751
123618590a27320
13146193214132b
147a371d46bc5a
1539476e38b98c
hex1c7a65f48b08

31312022113032 has 64 divisors (see below), whose sum is σ = 81691012080000. Its totient is φ = 9982629533184.

The previous prime is 31312022112971. The next prime is 31312022113129. The reversal of 31312022113032 is 23031122021313.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 31312022112993 and 31312022113011.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3453444 + ... + 8634252.

It is an arithmetic number, because the mean of its divisors is an integer number (1276422063750).

Almost surely, 231312022113032 is an apocalyptic number.

It is an amenable number.

31312022113032 is an abundant number, since it is smaller than the sum of its proper divisors (50378989966968).

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

31312022113032 is a wasteful number, since it uses less digits than its factorization.

31312022113032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5191790 (or 5191786 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 31312022113032 its reverse (23031122021313), we get a palindrome (54343144134345).

The spelling of 31312022113032 in words is "thirty-one trillion, three hundred twelve billion, twenty-two million, one hundred thirteen thousand, thirty-two".

Divisors: 1 2 3 4 6 8 12 23 24 46 69 92 138 184 276 552 10949 21898 32847 43796 65694 87592 131388 251827 262776 503654 755481 1007308 1510962 2014616 3021924 5180809 6043848 10361618 15542427 20723236 31084854 41446472 62169708 119158607 124339416 238317214 357475821 476634428 714951642 953268856 1429903284 2859806568 56724677741 113449355482 170174033223 226898710964 340348066446 453797421928 680696132892 1304667588043 1361392265784 2609335176086 3914002764129 5218670352172 7828005528258 10437340704344 15656011056516 31312022113032