231343310 has 64 divisors (see below), whose sum is σ = 484242624. Its totient is φ = 78643200.

The previous prime is 231343291. The next prime is 231343337. The reversal of 231343310 is 13343132.

It is a super-2 number, since 2×231343310² = 107039454163512200, which contains 22 as substring.

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 31 ways as a sum of consecutive naturals, for example, 360590 + ... + 361230.

It is an arithmetic number, because the mean of its divisors is an integer number (7566291).

Almost surely, 2^231343310 is an apocalyptic number.

231343310 is an abundant number, since it is smaller than the sum of its proper divisors (252899314).

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

231343310 is a wasteful number, since it uses less digits than its factorization.

231343310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 869.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 231343310 is about 15209.9740302211. The cubic root of 231343310 is about 613.8830587166.

Adding to 231343310 its reverse (13343132), we get a palindrome (244686442).

The spelling of 231343310 in words is "two hundred thirty-one million, three hundred forty-three thousand, three hundred ten".