31793149757 has 16 divisors (see below), whose sum is σ = 34296514560. Its totient is φ = 29396822400.

The previous prime is 31793149747. The next prime is 31793149769. The reversal of 31793149757 is 75794139713.

It is a cyclic number.

It is not a de Polignac number, because 31793149757 - 2⁶ = 31793149693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31793149747) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51869 + ... + 257442.

It is an arithmetic number, because the mean of its divisors is an integer number (2143532160).

Almost surely, 2^31793149757 is an apocalyptic number.

It is an amenable number.

31793149757 is a deficient number, since it is larger than the sum of its proper divisors (2503364803).

31793149757 is a wasteful number, since it uses less digits than its factorization.

31793149757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309484.

The product of its digits is 5000940, while the sum is 56.

The spelling of 31793149757 in words is "thirty-one billion, seven hundred ninety-three million, one hundred forty-nine thousand, seven hundred fifty-seven".