313213142 has 16 divisors (see below), whose sum is σ = 513184464. Its totient is φ = 142188000.

The previous prime is 313213091. The next prime is 313213169. The reversal of 313213142 is 241312313.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9392 + ... + 26732.

It is an arithmetic number, because the mean of its divisors is an integer number (32074029).

Almost surely, 2^313213142 is an apocalyptic number.

313213142 is a deficient number, since it is larger than the sum of its proper divisors (199971322).

313213142 is a wasteful number, since it uses less digits than its factorization.

313213142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18175.

The product of its digits is 432, while the sum is 20.

The square root of 313213142 is about 17697.8287368818. The cubic root of 313213142 is about 679.1202160327.

Adding to 313213142 its reverse (241312313), we get a palindrome (554525455).

The spelling of 313213142 in words is "three hundred thirteen million, two hundred thirteen thousand, one hundred forty-two".