315055133 has 4 divisors (see below), whose sum is σ = 315130368. Its totient is φ = 314979900.

The previous prime is 315055063. The next prime is 315055141. The reversal of 315055133 is 331550513.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 315055133 - 2⁸ = 315054877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315055163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30941 + ... + 39842.

It is an arithmetic number, because the mean of its divisors is an integer number (78782592).

Almost surely, 2^315055133 is an apocalyptic number.

It is an amenable number.

315055133 is a deficient number, since it is larger than the sum of its proper divisors (75235).

315055133 is an equidigital number, since it uses as much as digits as its factorization.

315055133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75234.

The product of its (nonzero) digits is 3375, while the sum is 26.

The square root of 315055133 is about 17749.7924776601. The cubic root of 315055133 is about 680.4489055770.

The spelling of 315055133 in words is "three hundred fifteen million, fifty-five thousand, one hundred thirty-three".