313052387 has 4 divisors (see below), whose sum is σ = 313416000. Its totient is φ = 312688776.

The previous prime is 313052371. The next prime is 313052401. The reversal of 313052387 is 783250313.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 783250313 = 2011 ⋅389483.

It is a cyclic number.

It is not a de Polignac number, because 313052387 - 2⁴ = 313052371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (313052347) 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, 180512 + ... + 182237.

It is an arithmetic number, because the mean of its divisors is an integer number (78354000).

Almost surely, 2^313052387 is an apocalyptic number.

313052387 is a deficient number, since it is larger than the sum of its proper divisors (363613).

313052387 is an equidigital number, since it uses as much as digits as its factorization.

313052387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363612.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 313052387 is about 17693.2864951653. The cubic root of 313052387 is about 679.0040111886.

The spelling of 313052387 in words is "three hundred thirteen million, fifty-two thousand, three hundred eighty-seven".