313231330 has 8 divisors (see below), whose sum is σ = 563816412. Its totient is φ = 125292528.

The previous prime is 313231327. The next prime is 313231337. The reversal of 313231330 is 33132313.

It can be written as a sum of positive squares in 2 ways, for example, as 311769649 + 1461681 = 17657^2 + 1209^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×313231330² = 196227732187137800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 313231298 and 313231307.

It is not an unprimeable number, because it can be changed into a prime (313231337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15661557 + ... + 15661576.

Almost surely, 2^313231330 is an apocalyptic number.

313231330 is a deficient number, since it is larger than the sum of its proper divisors (250585082).

313231330 is a wasteful number, since it uses less digits than its factorization.

313231330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31323140.

The product of its (nonzero) digits is 486, while the sum is 19.

The square root of 313231330 is about 17698.3425777670. The cubic root of 313231330 is about 679.1333610743.

Adding to 313231330 its reverse (33132313), we get a palindrome (346363643).

The spelling of 313231330 in words is "three hundred thirteen million, two hundred thirty-one thousand, three hundred thirty".