31534760768 has 28 divisors (see below), whose sum is σ = 71516333472. Its totient is φ = 13514897280.

The previous prime is 31534760753. The next prime is 31534760771. The reversal of 31534760768 is 86706743513.

It is a tau number, because it is divible by the number of its divisors (28).

It is a super-2 number, since 2×31534760768² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35194598 + ... + 35195493.

Almost surely, 2^31534760768 is an apocalyptic number.

It is an amenable number.

31534760768 is an abundant number, since it is smaller than the sum of its proper divisors (39981572704).

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

31534760768 is an equidigital number, since it uses as much as digits as its factorization.

31534760768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70390110 (or 70390100 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 50.

The spelling of 31534760768 in words is "thirty-one billion, five hundred thirty-four million, seven hundred sixty thousand, seven hundred sixty-eight".