313470961 has 2 divisors, whose sum is σ = 313470962. Its totient is φ = 313470960.

The previous prime is 313470959. The next prime is 313470967. The reversal of 313470961 is 169074313.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 194769936 + 118701025 = 13956^2 + 10895^2 .

It is an emirp because it is prime and its reverse (169074313) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 313470961 - 2¹ = 313470959 is a prime.

Together with 313470959, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (313470967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156735480 + 156735481.

It is an arithmetic number, because the mean of its divisors is an integer number (156735481).

Almost surely, 2^313470961 is an apocalyptic number.

It is an amenable number.

313470961 is a deficient number, since it is larger than the sum of its proper divisors (1).

313470961 is an equidigital number, since it uses as much as digits as its factorization.

313470961 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 313470961 is about 17705.1111546920. Note that the first 4 decimals coincide. The cubic root of 313470961 is about 679.3065024642.

The spelling of 313470961 in words is "three hundred thirteen million, four hundred seventy thousand, nine hundred sixty-one".