315970345307 has 2 divisors, whose sum is σ = 315970345308. Its totient is φ = 315970345306.

The previous prime is 315970345303. The next prime is 315970345343. The reversal of 315970345307 is 703543079513.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 315970345307 - 2² = 315970345303 is a prime.

It is a super-2 number, since 2×315970345307² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (315970345303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157985172653 + 157985172654.

It is an arithmetic number, because the mean of its divisors is an integer number (157985172654).

Almost surely, 2^315970345307 is an apocalyptic number.

315970345307 is a deficient number, since it is larger than the sum of its proper divisors (1).

315970345307 is an equidigital number, since it uses as much as digits as its factorization.

315970345307 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1190700, while the sum is 47.

The spelling of 315970345307 in words is "three hundred fifteen billion, nine hundred seventy million, three hundred forty-five thousand, three hundred seven".