31310430007 has 2 divisors, whose sum is σ = 31310430008. Its totient is φ = 31310430006.

The previous prime is 31310429977. The next prime is 31310430031. The reversal of 31310430007 is 70003401313.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (70003401313) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 31310430007 - 2²⁷ = 31176212279 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 31310430007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31310430037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15655215003 + 15655215004.

It is an arithmetic number, because the mean of its divisors is an integer number (15655215004).

Almost surely, 2^31310430007 is an apocalyptic number.

31310430007 is a deficient number, since it is larger than the sum of its proper divisors (1).

31310430007 is an equidigital number, since it uses as much as digits as its factorization.

31310430007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 756, while the sum is 22.

The spelling of 31310430007 in words is "thirty-one billion, three hundred ten million, four hundred thirty thousand, seven".