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31416320344 = 2310613701263
BaseRepresentation
bin11101010000100011…
…110000000101011000
310000002110100102122011
4131100203300011120
51003320034222334
622233224435304
72161345213453
oct352043600530
9100073312564
1031416320344
111236176a512
126109318b34
132c68939186
1417405a849a
15c3d144564
hex7508f0158

31416320344 has 16 divisors (see below), whose sum is σ = 58961135520. Its totient is φ = 15693350880.

The previous prime is 31416320329. The next prime is 31416320387. The reversal of 31416320344 is 44302361413.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1842144 + ... + 1859119.

It is an arithmetic number, because the mean of its divisors is an integer number (3685070970).

Almost surely, 231416320344 is an apocalyptic number.

It is an amenable number.

31416320344 is a deficient number, since it is larger than the sum of its proper divisors (27544815176).

31416320344 is a wasteful number, since it uses less digits than its factorization.

31416320344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3702330 (or 3702326 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 31416320344 its reverse (44302361413), we get a palindrome (75718681757).

The spelling of 31416320344 in words is "thirty-one billion, four hundred sixteen million, three hundred twenty thousand, three hundred forty-four".

Divisors: 1 2 4 8 1061 2122 4244 8488 3701263 7402526 14805052 29610104 3927040043 7854080086 15708160172 31416320344