313032439 has 2 divisors, whose sum is σ = 313032440. Its totient is φ = 313032438.

The previous prime is 313032337. The next prime is 313032443. The reversal of 313032439 is 934230313.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 313032439 - 2⁷ = 313032311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (313032449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156516219 + 156516220.

It is an arithmetic number, because the mean of its divisors is an integer number (156516220).

Almost surely, 2^313032439 is an apocalyptic number.

313032439 is a deficient number, since it is larger than the sum of its proper divisors (1).

313032439 is an equidigital number, since it uses as much as digits as its factorization.

313032439 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832, while the sum is 28.

The square root of 313032439 is about 17692.7227695457. The cubic root of 313032439 is about 678.9895886188.

The spelling of 313032439 in words is "three hundred thirteen million, thirty-two thousand, four hundred thirty-nine".