313143232 has 28 divisors (see below), whose sum is σ = 621955576. Its totient is φ = 156430080.

The previous prime is 313143223. The next prime is 313143241. The reversal of 313143232 is 232341313.

It is an interprime number because it is at equal distance from previous prime (313143223) and next prime (313143241).

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 3 ways as a sum of consecutive naturals, for example, 139882 + ... + 142102.

Almost surely, 2^313143232 is an apocalyptic number.

313143232 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

313143232 is a deficient number, since it is larger than the sum of its proper divisors (308812344).

313143232 is a wasteful number, since it uses less digits than its factorization.

313143232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4436 (or 4426 counting only the distinct ones).

The product of its digits is 1296, while the sum is 22.

The square root of 313143232 is about 17695.8535256144. The cubic root of 313143232 is about 679.0696851314.

Adding to 313143232 its reverse (232341313), we get a palindrome (545484545).

The spelling of 313143232 in words is "three hundred thirteen million, one hundred forty-three thousand, two hundred thirty-two".