231240343310 has 32 divisors (see below), whose sum is σ = 434462218560. Its totient is φ = 88447569408.

The previous prime is 231240343307. The next prime is 231240343343. The reversal of 231240343310 is 13343042132.

It is a super-2 number, since 2×231240343310² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 231240343310.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 610256 + ... + 913724.

It is an arithmetic number, because the mean of its divisors is an integer number (13576944330).

Almost surely, 2^231240343310 is an apocalyptic number.

231240343310 is a deficient number, since it is larger than the sum of its proper divisors (203221875250).

231240343310 is a wasteful number, since it uses less digits than its factorization.

231240343310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306812.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 231240343310 its reverse (13343042132), we get a palindrome (244583385442).

The spelling of 231240343310 in words is "two hundred thirty-one billion, two hundred forty million, three hundred forty-three thousand, three hundred ten".