313323232289 has 2 divisors, whose sum is σ = 313323232290. Its totient is φ = 313323232288.

The previous prime is 313323232217. The next prime is 313323232309. The reversal of 313323232289 is 982232323313.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 306454137889 + 6869094400 = 553583^2 + 82880^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-313323232289 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (313328232289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156661616144 + 156661616145.

It is an arithmetic number, because the mean of its divisors is an integer number (156661616145).

Almost surely, 2^313323232289 is an apocalyptic number.

It is an amenable number.

313323232289 is a deficient number, since it is larger than the sum of its proper divisors (1).

313323232289 is an equidigital number, since it uses as much as digits as its factorization.

313323232289 is an evil number, because the sum of its binary digits is even.

The product of its digits is 279936, while the sum is 41.

The spelling of 313323232289 in words is "three hundred thirteen billion, three hundred twenty-three million, two hundred thirty-two thousand, two hundred eighty-nine".