31949057027 has 2 divisors, whose sum is σ = 31949057028. Its totient is φ = 31949057026.

The previous prime is 31949057017. The next prime is 31949057069. The reversal of 31949057027 is 72075094913.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 31949057027 - 2⁴ = 31949057011 is a prime.

It is not a weakly prime, because it can be changed into another prime (31949057017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15974528513 + 15974528514.

It is an arithmetic number, because the mean of its divisors is an integer number (15974528514).

Almost surely, 2^31949057027 is an apocalyptic number.

31949057027 is a deficient number, since it is larger than the sum of its proper divisors (1).

31949057027 is an equidigital number, since it uses as much as digits as its factorization.

31949057027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 476280, while the sum is 47.

The spelling of 31949057027 in words is "thirty-one billion, nine hundred forty-nine million, fifty-seven thousand, twenty-seven".