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31400240313102 = 2331168818496307
BaseRepresentation
bin1110010001110111100000…
…01010110111001100001110
311010011211111201212201120020
413020323300022313030032
513103430143010004402
6150441023220403010
76420410140564443
oct710736012671416
9133154451781506
1031400240313102
11a006849066111
1236316b0b46466
13146a050a7660b
147a7acb86d9ca
15396bd40a78bc
hex1c8ef02b730e

31400240313102 has 16 divisors (see below), whose sum is σ = 64826302582272. Its totient is φ = 10129109778360.

The previous prime is 31400240313017. The next prime is 31400240313173. The reversal of 31400240313102 is 20131304200413.

It is a happy number.

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 7 ways as a sum of consecutive naturals, for example, 84409247968 + ... + 84409248339.

It is an arithmetic number, because the mean of its divisors is an integer number (4051643911392).

Almost surely, 231400240313102 is an apocalyptic number.

31400240313102 is an abundant number, since it is smaller than the sum of its proper divisors (33426062269170).

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

31400240313102 is a wasteful number, since it uses less digits than its factorization.

31400240313102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168818496343.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 31400240313102 its reverse (20131304200413), we get a palindrome (51531544513515).

The spelling of 31400240313102 in words is "thirty-one trillion, four hundred billion, two hundred forty million, three hundred thirteen thousand, one hundred two".

Divisors: 1 2 3 6 31 62 93 186 168818496307 337636992614 506455488921 1012910977842 5233373385517 10466746771034 15700120156551 31400240313102