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31112202102132 = 22321859118609429
BaseRepresentation
bin1110001001011110111111…
…10000010010010101110100
311002011022000212011112120110
413010233133300102111310
513034220242214232012
6150100425350103020
76360532241311434
oct704573760222564
9132138025145513
1031112202102132
119a05679aa1a78
1235a590564aa70
131448b391c10a8
14797ba52402c4
1538e476b1c73c
hex1c4bdfc12574

31112202102132 has 24 divisors (see below), whose sum is σ = 72598459914400. Its totient is φ = 10370259508896.

The previous prime is 31112202102131. The next prime is 31112202102151. The reversal of 31112202102132 is 23120120221113.

It is a junction number, because it is equal to n+sod(n) for n = 31112202102099 and 31112202102108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31112202102131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59042407 + ... + 59567022.

Almost surely, 231112202102132 is an apocalyptic number.

It is an amenable number.

31112202102132 is an abundant number, since it is smaller than the sum of its proper divisors (41486257812268).

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

31112202102132 is a wasteful number, since it uses less digits than its factorization.

31112202102132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118631295 (or 118631293 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 31112202102132 its reverse (23120120221113), we get a palindrome (54232322323245).

The spelling of 31112202102132 in words is "thirty-one trillion, one hundred twelve billion, two hundred two million, one hundred two thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 12 21859 43718 65577 87436 131154 262308 118609429 237218858 355828287 474437716 711656574 1423313148 2592683508511 5185367017022 7778050525533 10370734034044 15556101051066 31112202102132