313421567 has 2 divisors, whose sum is σ = 313421568. Its totient is φ = 313421566.

The previous prime is 313421533. The next prime is 313421569. The reversal of 313421567 is 765124313.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 313421567 - 2¹⁸ = 313159423 is a prime.

Together with 313421569, 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 (313421569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156710783 + 156710784.

It is an arithmetic number, because the mean of its divisors is an integer number (156710784).

Almost surely, 2^313421567 is an apocalyptic number.

313421567 is a deficient number, since it is larger than the sum of its proper divisors (1).

313421567 is an equidigital number, since it uses as much as digits as its factorization.

313421567 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15120, while the sum is 32.

The square root of 313421567 is about 17703.7161918056. The cubic root of 313421567 is about 679.2708208731.

The spelling of 313421567 in words is "three hundred thirteen million, four hundred twenty-one thousand, five hundred sixty-seven".