313342261 has 2 divisors, whose sum is σ = 313342262. Its totient is φ = 313342260.

The previous prime is 313342231. The next prime is 313342273. The reversal of 313342261 is 162243313.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 204661636 + 108680625 = 14306^2 + 10425^2 .

It is a cyclic number.

It is not a de Polignac number, because 313342261 - 2²⁵ = 279787829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (313342231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156671130 + 156671131.

It is an arithmetic number, because the mean of its divisors is an integer number (156671131).

Almost surely, 2^313342261 is an apocalyptic number.

It is an amenable number.

313342261 is a deficient number, since it is larger than the sum of its proper divisors (1).

313342261 is an equidigital number, since it uses as much as digits as its factorization.

313342261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2592, while the sum is 25.

The square root of 313342261 is about 17701.4762378735. The cubic root of 313342261 is about 679.2135233952.

Adding to 313342261 its reverse (162243313), we get a palindrome (475585574).

The spelling of 313342261 in words is "three hundred thirteen million, three hundred forty-two thousand, two hundred sixty-one".