31312032107 has 2 divisors, whose sum is σ = 31312032108. Its totient is φ = 31312032106.

The previous prime is 31312032049. The next prime is 31312032137. The reversal of 31312032107 is 70123021313.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 31312032107 - 2⁶ = 31312032043 is a prime.

It is not a weakly prime, because it can be changed into another prime (31312032137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15656016053 + 15656016054.

It is an arithmetic number, because the mean of its divisors is an integer number (15656016054).

Almost surely, 2^31312032107 is an apocalyptic number.

31312032107 is a deficient number, since it is larger than the sum of its proper divisors (1).

31312032107 is an equidigital number, since it uses as much as digits as its factorization.

31312032107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 756, while the sum is 23.

The spelling of 31312032107 in words is "thirty-one billion, three hundred twelve million, thirty-two thousand, one hundred seven".