231313120012 has 24 divisors (see below), whose sum is σ = 446074321616. Its totient is φ = 104277112128.

The previous prime is 231313119997. The next prime is 231313120013. The reversal of 231313120012 is 210021313132.

231313120012 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (231313120013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51722523 + ... + 51726994.

Almost surely, 2^231313120012 is an apocalyptic number.

It is an amenable number.

231313120012 is a deficient number, since it is larger than the sum of its proper divisors (214761201604).

231313120012 is a wasteful number, since it uses less digits than its factorization.

231313120012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103449577 (or 103449575 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 231313120012 its reverse (210021313132), we get a palindrome (441334433144).

The spelling of 231313120012 in words is "two hundred thirty-one billion, three hundred thirteen million, one hundred twenty thousand, twelve".