312031013207 has 2 divisors, whose sum is σ = 312031013208. Its totient is φ = 312031013206.

The previous prime is 312031013191. The next prime is 312031013209. The reversal of 312031013207 is 702310130213.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 312031013207 - 2⁴ = 312031013191 is a prime.

Together with 312031013209, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312031013209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156015506603 + 156015506604.

It is an arithmetic number, because the mean of its divisors is an integer number (156015506604).

Almost surely, 2^312031013207 is an apocalyptic number.

312031013207 is a deficient number, since it is larger than the sum of its proper divisors (1).

312031013207 is an equidigital number, since it uses as much as digits as its factorization.

312031013207 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 312031013207 in words is "three hundred twelve billion, thirty-one million, thirteen thousand, two hundred seven".