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31665116314 = 21318120893221
BaseRepresentation
bin11101011111011000…
…110101010010011010
310000201210111120112201
4131133120311102122
51004322232210224
622314033200414
72200456022236
oct353730652232
9100653446481
1031665116314
111247a150617
12617870010a
132ca8349820
14176564d5c6
15c54ddba44
hex75f63549a

31665116314 has 32 divisors (see below), whose sum is σ = 51474543120. Its totient is φ = 14522457600.

The previous prime is 31665116281. The next prime is 31665116339. The reversal of 31665116314 is 41361156613.

It can be written as a sum of positive squares in 8 ways, for example, as 10397269089 + 21267847225 = 101967^2 + 145835^2 .

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, 9829224 + ... + 9832444.

Almost surely, 231665116314 is an apocalyptic number.

31665116314 is a deficient number, since it is larger than the sum of its proper divisors (19809426806).

31665116314 is a wasteful number, since it uses less digits than its factorization.

31665116314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5506.

The product of its digits is 38880, while the sum is 37.

The spelling of 31665116314 in words is "thirty-one billion, six hundred sixty-five million, one hundred sixteen thousand, three hundred fourteen".

Divisors: 1 2 13 26 181 362 2089 2353 3221 4178 4706 6442 27157 41873 54314 83746 378109 583001 756218 1166002 4915417 6728669 7579013 9830834 13457338 15158026 87472697 174945394 1217889089 2435778178 15832558157 31665116314