313124238 has 32 divisors (see below), whose sum is σ = 795237120. Its totient is φ = 89463960.

The previous prime is 313124233. The next prime is 313124239. The reversal of 313124238 is 832421313.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313124233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 413808 + ... + 414563.

It is an arithmetic number, because the mean of its divisors is an integer number (24851160).

Almost surely, 2^313124238 is an apocalyptic number.

313124238 is an abundant number, since it is smaller than the sum of its proper divisors (482112882).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

313124238 is a wasteful number, since it uses less digits than its factorization.

313124238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 828389 (or 828383 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 313124238 is about 17695.3168380789. The cubic root of 313124238 is about 679.0559549816.

The spelling of 313124238 in words is "three hundred thirteen million, one hundred twenty-four thousand, two hundred thirty-eight".