313431142 has 32 divisors (see below), whose sum is σ = 526466304. Its totient is φ = 139238400.

The previous prime is 313431089. The next prime is 313431149. The reversal of 313431142 is 241134313.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313431149) 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, 39588 + ... + 46840.

It is an arithmetic number, because the mean of its divisors is an integer number (16452072).

Almost surely, 2^313431142 is an apocalyptic number.

313431142 is a deficient number, since it is larger than the sum of its proper divisors (213035162).

313431142 is a wasteful number, since it uses less digits than its factorization.

313431142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7344.

The product of its digits is 864, while the sum is 22.

The square root of 313431142 is about 17703.9866131897. The cubic root of 313431142 is about 679.2777380230.

Adding to 313431142 its reverse (241134313), we get a palindrome (554565455).

The spelling of 313431142 in words is "three hundred thirteen million, four hundred thirty-one thousand, one hundred forty-two".