313130269 has 2 divisors, whose sum is σ = 313130270. Its totient is φ = 313130268.

The previous prime is 313130267. The next prime is 313130273. The reversal of 313130269 is 962031313.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 203404644 + 109725625 = 14262^2 + 10475^2 .

It is a cyclic number.

It is not a de Polignac number, because 313130269 - 2¹ = 313130267 is a prime.

It is a super-2 number, since 2×313130269² = 196101130728024722, which contains 22 as substring.

Together with 313130267, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (313130261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156565134 + 156565135.

It is an arithmetic number, because the mean of its divisors is an integer number (156565135).

Almost surely, 2^313130269 is an apocalyptic number.

It is an amenable number.

313130269 is a deficient number, since it is larger than the sum of its proper divisors (1).

313130269 is an equidigital number, since it uses as much as digits as its factorization.

313130269 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2916, while the sum is 28.

The square root of 313130269 is about 17695.4872495786. The cubic root of 313130269 is about 679.0603146571.

The spelling of 313130269 in words is "three hundred thirteen million, one hundred thirty thousand, two hundred sixty-nine".