313133087 has 2 divisors, whose sum is σ = 313133088. Its totient is φ = 313133086.

The previous prime is 313133071. The next prime is 313133111. The reversal of 313133087 is 780331313.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 313133087 - 2⁴ = 313133071 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (313123087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156566543 + 156566544.

It is an arithmetic number, because the mean of its divisors is an integer number (156566544).

Almost surely, 2^313133087 is an apocalyptic number.

313133087 is a deficient number, since it is larger than the sum of its proper divisors (1).

313133087 is an equidigital number, since it uses as much as digits as its factorization.

313133087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 313133087 is about 17695.5668742202. The cubic root of 313133087 is about 679.0623517073.

The spelling of 313133087 in words is "three hundred thirteen million, one hundred thirty-three thousand, eighty-seven".