313234409 has 2 divisors, whose sum is σ = 313234410. Its totient is φ = 313234408.

The previous prime is 313234393. The next prime is 313234417. The reversal of 313234409 is 904432313.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 286557184 + 26677225 = 16928^2 + 5165^2 .

It is a cyclic number.

It is not a de Polignac number, because 313234409 - 2⁴ = 313234393 is a prime.

It is not a weakly prime, because it can be changed into another prime (313234429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156617204 + 156617205.

It is an arithmetic number, because the mean of its divisors is an integer number (156617205).

Almost surely, 2^313234409 is an apocalyptic number.

It is an amenable number.

313234409 is a deficient number, since it is larger than the sum of its proper divisors (1).

313234409 is an equidigital number, since it uses as much as digits as its factorization.

313234409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 29.

The square root of 313234409 is about 17698.4295630997. The cubic root of 313234409 is about 679.1355863145.

The spelling of 313234409 in words is "three hundred thirteen million, two hundred thirty-four thousand, four hundred nine".