313275979 has 2 divisors, whose sum is σ = 313275980. Its totient is φ = 313275978.

The previous prime is 313275961. The next prime is 313276013. The reversal of 313275979 is 979572313.

It is a weak prime.

It is an emirp because it is prime and its reverse (979572313) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 313275979 - 2²³ = 304887371 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (313075979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156637989 + 156637990.

It is an arithmetic number, because the mean of its divisors is an integer number (156637990).

Almost surely, 2^313275979 is an apocalyptic number.

313275979 is a deficient number, since it is larger than the sum of its proper divisors (1).

313275979 is an equidigital number, since it uses as much as digits as its factorization.

313275979 is an evil number, because the sum of its binary digits is even.

The product of its digits is 357210, while the sum is 46.

The square root of 313275979 is about 17699.6039221221. The cubic root of 313275979 is about 679.1656281582.

The spelling of 313275979 in words is "three hundred thirteen million, two hundred seventy-five thousand, nine hundred seventy-nine".