231331121313310 has 32 divisors (see below), whose sum is σ = 441989377991712. Its totient is φ = 86872182835200.

The previous prime is 231331121313251. The next prime is 231331121313349. The reversal of 231331121313310 is 13313121133132.

It is a happy number.

It is a super-2 number, since 2×231331121313310² (a number of 30 digits) contains 22 as substring.

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, 1696654152 + ... + 1696790491.

It is an arithmetic number, because the mean of its divisors is an integer number (13812168062241).

Almost surely, 2^{231331121313310} is an apocalyptic number.

231331121313310 is a deficient number, since it is larger than the sum of its proper divisors (210658256678402).

231331121313310 is a wasteful number, since it uses less digits than its factorization.

231331121313310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3393445068.

The product of its (nonzero) digits is 2916, while the sum is 28.

Adding to 231331121313310 its reverse (13313121133132), we get a palindrome (244644242446442).

The spelling of 231331121313310 in words is "two hundred thirty-one trillion, three hundred thirty-one billion, one hundred twenty-one million, three hundred thirteen thousand, three hundred ten".