313551013 has 2 divisors, whose sum is σ = 313551014. Its totient is φ = 313551012.

The previous prime is 313551011. The next prime is 313551059. The reversal of 313551013 is 310155313.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 291111844 + 22439169 = 17062^2 + 4737^2 .

It is a cyclic number.

It is not a de Polignac number, because 313551013 - 2¹ = 313551011 is a prime.

Together with 313551011, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (313551011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156775506 + 156775507.

It is an arithmetic number, because the mean of its divisors is an integer number (156775507).

Almost surely, 2^313551013 is an apocalyptic number.

It is an amenable number.

313551013 is a deficient number, since it is larger than the sum of its proper divisors (1).

313551013 is an equidigital number, since it uses as much as digits as its factorization.

313551013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 675, while the sum is 22.

The square root of 313551013 is about 17707.3717134983. The cubic root of 313551013 is about 679.3643230414.

The spelling of 313551013 in words is "three hundred thirteen million, five hundred fifty-one thousand, thirteen".