313122427 has 2 divisors, whose sum is σ = 313122428. Its totient is φ = 313122426.

The previous prime is 313122401. The next prime is 313122443. The reversal of 313122427 is 724221313.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 313122427 - 2²⁷ = 178904699 is a prime.

It is not a weakly prime, because it can be changed into another prime (313122487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156561213 + 156561214.

It is an arithmetic number, because the mean of its divisors is an integer number (156561214).

Almost surely, 2^313122427 is an apocalyptic number.

313122427 is a deficient number, since it is larger than the sum of its proper divisors (1).

313122427 is an equidigital number, since it uses as much as digits as its factorization.

313122427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2016, while the sum is 25.

The square root of 313122427 is about 17695.2656662736. The cubic root of 313122427 is about 679.0546458392.

The spelling of 313122427 in words is "three hundred thirteen million, one hundred twenty-two thousand, four hundred twenty-seven".