313012507 has 2 divisors, whose sum is σ = 313012508. Its totient is φ = 313012506.

The previous prime is 313012471. The next prime is 313012529. The reversal of 313012507 is 705210313.

It is an a-pointer prime, because the next prime (313012529) can be obtained adding 313012507 to its sum of digits (22).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 313012507 - 2¹⁵ = 312979739 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (313012577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156506253 + 156506254.

It is an arithmetic number, because the mean of its divisors is an integer number (156506254).

Almost surely, 2^313012507 is an apocalyptic number.

313012507 is a deficient number, since it is larger than the sum of its proper divisors (1).

313012507 is an equidigital number, since it uses as much as digits as its factorization.

313012507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 630, while the sum is 22.

The square root of 313012507 is about 17692.1594781417. The cubic root of 313012507 is about 678.9751770051.

The spelling of 313012507 in words is "three hundred thirteen million, twelve thousand, five hundred seven".