313052139 has 6 divisors (see below), whose sum is σ = 452186436. Its totient is φ = 208701420.

The previous prime is 313052137. The next prime is 313052177. The reversal of 313052139 is 931250313.

It is a happy number.

313052139 is a `hidden beast` number, since 3 + 130 + 521 + 3 + 9 = 666.

It is not a de Polignac number, because 313052139 - 2¹ = 313052137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (313052137) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17391777 + ... + 17391794.

It is an arithmetic number, because the mean of its divisors is an integer number (75364406).

Almost surely, 2^313052139 is an apocalyptic number.

313052139 is a deficient number, since it is larger than the sum of its proper divisors (139134297).

313052139 is a wasteful number, since it uses less digits than its factorization.

313052139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34783577 (or 34783574 counting only the distinct ones).

The product of its (nonzero) digits is 2430, while the sum is 27.

The square root of 313052139 is about 17693.2794868560. The cubic root of 313052139 is about 679.0038318863.

The spelling of 313052139 in words is "three hundred thirteen million, fifty-two thousand, one hundred thirty-nine".