313275961 has 2 divisors, whose sum is σ = 313275962. Its totient is φ = 313275960.

The previous prime is 313275917. The next prime is 313275979. The reversal of 313275961 is 169572313.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 157025961 + 156250000 = 12531^2 + 12500^2 .

It is a cyclic number.

It is not a de Polignac number, because 313275961 - 2¹³ = 313267769 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 313275961.

It is not a weakly prime, because it can be changed into another prime (313275161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156637980 + 156637981.

It is an arithmetic number, because the mean of its divisors is an integer number (156637981).

Almost surely, 2^313275961 is an apocalyptic number.

It is an amenable number.

313275961 is a deficient number, since it is larger than the sum of its proper divisors (1).

313275961 is an equidigital number, since it uses as much as digits as its factorization.

313275961 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34020, while the sum is 37.

The square root of 313275961 is about 17699.6034136361. The cubic root of 313275961 is about 679.1656151505.

The spelling of 313275961 in words is "three hundred thirteen million, two hundred seventy-five thousand, nine hundred sixty-one".