313120427 has 2 divisors, whose sum is σ = 313120428. Its totient is φ = 313120426.

The previous prime is 313120421. The next prime is 313120441. The reversal of 313120427 is 724021313.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 313120427 - 2¹⁸ = 312858283 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (313120421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156560213 + 156560214.

It is an arithmetic number, because the mean of its divisors is an integer number (156560214).

Almost surely, 2^313120427 is an apocalyptic number.

313120427 is a deficient number, since it is larger than the sum of its proper divisors (1).

313120427 is an equidigital number, since it uses as much as digits as its factorization.

313120427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 313120427 is about 17695.2091538925. The cubic root of 313120427 is about 679.0532000658.

The spelling of 313120427 in words is "three hundred thirteen million, one hundred twenty thousand, four hundred twenty-seven".