313320971 has 2 divisors, whose sum is σ = 313320972. Its totient is φ = 313320970.

The previous prime is 313320913. The next prime is 313320977. The reversal of 313320971 is 179023313.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 313320971 - 2¹⁴ = 313304587 is a prime.

It is not a weakly prime, because it can be changed into another prime (313320977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156660485 + 156660486.

It is an arithmetic number, because the mean of its divisors is an integer number (156660486).

Almost surely, 2^313320971 is an apocalyptic number.

313320971 is a deficient number, since it is larger than the sum of its proper divisors (1).

313320971 is an equidigital number, since it uses as much as digits as its factorization.

313320971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3402, while the sum is 29.

The square root of 313320971 is about 17700.8748653845. The cubic root of 313320971 is about 679.1981400213.

The spelling of 313320971 in words is "three hundred thirteen million, three hundred twenty thousand, nine hundred seventy-one".