319752131 has 2 divisors, whose sum is σ = 319752132. Its totient is φ = 319752130.

The previous prime is 319752119. The next prime is 319752149. The reversal of 319752131 is 131257913.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 319752131 - 2²⁶ = 252643267 is a prime.

It is a super-2 number, since 2×319752131² = 204482850558082322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (319752151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159876065 + 159876066.

It is an arithmetic number, because the mean of its divisors is an integer number (159876066).

Almost surely, 2^319752131 is an apocalyptic number.

319752131 is a deficient number, since it is larger than the sum of its proper divisors (1).

319752131 is an equidigital number, since it uses as much as digits as its factorization.

319752131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5670, while the sum is 32.

The square root of 319752131 is about 17881.6143286897. The cubic root of 319752131 is about 683.8137288741.

The spelling of 319752131 in words is "three hundred nineteen million, seven hundred fifty-two thousand, one hundred thirty-one".