313213507 has 2 divisors, whose sum is σ = 313213508. Its totient is φ = 313213506.

The previous prime is 313213501. The next prime is 313213519. The reversal of 313213507 is 705312313.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 313213507 - 2²³ = 304824899 is a prime.

It is not a weakly prime, because it can be changed into another prime (313213501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156606753 + 156606754.

It is an arithmetic number, because the mean of its divisors is an integer number (156606754).

Almost surely, 2^313213507 is an apocalyptic number.

313213507 is a deficient number, since it is larger than the sum of its proper divisors (1).

313213507 is an equidigital number, since it uses as much as digits as its factorization.

313213507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1890, while the sum is 25.

The square root of 313213507 is about 17697.8390488783. The cubic root of 313213507 is about 679.1204798347.

The spelling of 313213507 in words is "three hundred thirteen million, two hundred thirteen thousand, five hundred seven".