313545431 has 2 divisors, whose sum is σ = 313545432. Its totient is φ = 313545430.

The previous prime is 313545389. The next prime is 313545451. The reversal of 313545431 is 134545313.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 313545431 - 2¹⁸ = 313283287 is a prime.

It is a super-2 number, since 2×313545431² = 196621474601951522, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 313545394 and 313545403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (313545451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156772715 + 156772716.

It is an arithmetic number, because the mean of its divisors is an integer number (156772716).

Almost surely, 2^313545431 is an apocalyptic number.

313545431 is a deficient number, since it is larger than the sum of its proper divisors (1).

313545431 is an equidigital number, since it uses as much as digits as its factorization.

313545431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10800, while the sum is 29.

The square root of 313545431 is about 17707.2140948259. The cubic root of 313545431 is about 679.3602915505.

The spelling of 313545431 in words is "three hundred thirteen million, five hundred forty-five thousand, four hundred thirty-one".