313311407 has 2 divisors, whose sum is σ = 313311408. Its totient is φ = 313311406.

The previous prime is 313311391. The next prime is 313311419. The reversal of 313311407 is 704113313.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 313311407 - 2⁴ = 313311391 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (313311437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156655703 + 156655704.

It is an arithmetic number, because the mean of its divisors is an integer number (156655704).

Almost surely, 2^313311407 is an apocalyptic number.

313311407 is a deficient number, since it is larger than the sum of its proper divisors (1).

313311407 is an equidigital number, since it uses as much as digits as its factorization.

313311407 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 square root of 313311407 is about 17700.6047071844. The cubic root of 313311407 is about 679.1912291985.

The spelling of 313311407 in words is "three hundred thirteen million, three hundred eleven thousand, four hundred seven".