313231230 has 48 divisors (see below), whose sum is σ = 877050720. Its totient is φ = 77102784.

The previous prime is 313231213. The next prime is 313231241. The reversal of 313231230 is 32132313.

It is a super-2 number, since 2×313231230² = 196227606894625800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 132690 + ... + 135029.

It is an arithmetic number, because the mean of its divisors is an integer number (18271890).

Almost surely, 2^313231230 is an apocalyptic number.

313231230 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

313231230 is an abundant number, since it is smaller than the sum of its proper divisors (563819490).

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

313231230 is a wasteful number, since it uses less digits than its factorization.

313231230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267745 (or 267742 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 313231230 is about 17698.3397526435. The cubic root of 313231230 is about 679.1332888026.

Adding to 313231230 its reverse (32132313), we get a palindrome (345363543).

The spelling of 313231230 in words is "three hundred thirteen million, two hundred thirty-one thousand, two hundred thirty".