313132439 has 2 divisors, whose sum is σ = 313132440. Its totient is φ = 313132438.

The previous prime is 313132433. The next prime is 313132441. The reversal of 313132439 is 934231313.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 313132439 - 2²⁸ = 44696983 is a prime.

Together with 313132441, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (313132433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156566219 + 156566220.

It is an arithmetic number, because the mean of its divisors is an integer number (156566220).

Almost surely, 2^313132439 is an apocalyptic number.

313132439 is a deficient number, since it is larger than the sum of its proper divisors (1).

313132439 is an equidigital number, since it uses as much as digits as its factorization.

313132439 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5832, while the sum is 29.

The square root of 313132439 is about 17695.5485645402. The cubic root of 313132439 is about 679.0618832880.

The spelling of 313132439 in words is "three hundred thirteen million, one hundred thirty-two thousand, four hundred thirty-nine".