313231030 has 128 divisors (see below), whose sum is σ = 705024000. Its totient is φ = 99969408.

The previous prime is 313231027. The next prime is 313231031. The reversal of 313231030 is 30132313.

It is a super-2 number, since 2×313231030² = 196227356309721800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 313230995 and 313231013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313231031) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4675057 + ... + 4675123.

It is an arithmetic number, because the mean of its divisors is an integer number (5508000).

Almost surely, 2^313231030 is an apocalyptic number.

313231030 is an abundant number, since it is smaller than the sum of its proper divisors (391792970).

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

313231030 is a wasteful number, since it uses less digits than its factorization.

313231030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171 (or 157 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 16.

The square root of 313231030 is about 17698.3341023951. The cubic root of 313231030 is about 679.1331442590.

Adding to 313231030 its reverse (30132313), we get a palindrome (343363343).

The spelling of 313231030 in words is "three hundred thirteen million, two hundred thirty-one thousand, thirty".