313379431 has 2 divisors, whose sum is σ = 313379432. Its totient is φ = 313379430.

The previous prime is 313379419. The next prime is 313379449. The reversal of 313379431 is 134973313.

313379431 is nontrivially palindromic in base 5.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 313379431 - 2²³ = 304990823 is a prime.

It is a super-2 number, since 2×313379431² = 196413335547767522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (313371431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156689715 + 156689716.

It is an arithmetic number, because the mean of its divisors is an integer number (156689716).

Almost surely, 2^313379431 is an apocalyptic number.

313379431 is a deficient number, since it is larger than the sum of its proper divisors (1).

313379431 is an equidigital number, since it uses as much as digits as its factorization.

313379431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20412, while the sum is 34.

The square root of 313379431 is about 17702.5261191729. The cubic root of 313379431 is about 679.2403794049.

The spelling of 313379431 in words is "three hundred thirteen million, three hundred seventy-nine thousand, four hundred thirty-one".