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31711017368 = 234196679931
BaseRepresentation
bin11101100010000111…
…111011100110011000
310000211222212120221202
4131202013323212120
51004421010023433
622322353053332
72201554125452
oct354207734630
9100758776852
1031711017368
11124a3051778
12618bb57248
132cb49cb304
14176b79b2d2
15c58e56ee8
hex7621fb998

31711017368 has 16 divisors (see below), whose sum is σ = 60908357160. Its totient is φ = 15468788800.

The previous prime is 31711017343. The next prime is 31711017383. The reversal of 31711017368 is 86371011713.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48339638 + ... + 48340293.

Almost surely, 231711017368 is an apocalyptic number.

It is an amenable number.

31711017368 is a deficient number, since it is larger than the sum of its proper divisors (29197339792).

31711017368 is a wasteful number, since it uses less digits than its factorization.

31711017368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96679978 (or 96679974 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 38.

The spelling of 31711017368 in words is "thirty-one billion, seven hundred eleven million, seventeen thousand, three hundred sixty-eight".

Divisors: 1 2 4 8 41 82 164 328 96679931 193359862 386719724 773439448 3963877171 7927754342 15855508684 31711017368