313149283 has 2 divisors, whose sum is σ = 313149284. Its totient is φ = 313149282.

The previous prime is 313149269. The next prime is 313149307. The reversal of 313149283 is 382941313.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 313149283 - 2²⁵ = 279594851 is a prime.

It is not a weakly prime, because it can be changed into another prime (313149253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156574641 + 156574642.

It is an arithmetic number, because the mean of its divisors is an integer number (156574642).

Almost surely, 2^313149283 is an apocalyptic number.

313149283 is a deficient number, since it is larger than the sum of its proper divisors (1).

313149283 is an equidigital number, since it uses as much as digits as its factorization.

313149283 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15552, while the sum is 34.

The square root of 313149283 is about 17696.0244970445. The cubic root of 313149283 is about 679.0740590874.

The spelling of 313149283 in words is "three hundred thirteen million, one hundred forty-nine thousand, two hundred eighty-three".