313142838 has 32 divisors (see below), whose sum is σ = 687916800. Its totient is φ = 94586976.

The previous prime is 313142833. The next prime is 313142887. The reversal of 313142838 is 838241313.

It is a junction number, because it is equal to n+sod(n) for n = 313142799 and 313142808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313142833) 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, 57093 + ... + 62336.

It is an arithmetic number, because the mean of its divisors is an integer number (21497400).

Almost surely, 2^313142838 is an apocalyptic number.

313142838 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

313142838 is an abundant number, since it is smaller than the sum of its proper divisors (374773962).

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

313142838 is a wasteful number, since it uses less digits than its factorization.

313142838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119476.

The product of its digits is 13824, while the sum is 33.

The square root of 313142838 is about 17695.8423930594. The cubic root of 313142838 is about 679.0694003271.

The spelling of 313142838 in words is "three hundred thirteen million, one hundred forty-two thousand, eight hundred thirty-eight".