231313242412 has 24 divisors (see below), whose sum is σ = 465396712704. Its totient is φ = 98540626512.

The previous prime is 231313242323. The next prime is 231313242421. The reversal of 231313242412 is 214242313132.

It is a super-2 number, since 2×231313242412² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24729418 + ... + 24738769.

It is an arithmetic number, because the mean of its divisors is an integer number (19391529696).

Almost surely, 2^231313242412 is an apocalyptic number.

It is an amenable number.

231313242412 is an abundant number, since it is smaller than the sum of its proper divisors (234083470292).

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

231313242412 is a wasteful number, since it uses less digits than its factorization.

231313242412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49468365 (or 49468363 counting only the distinct ones).

The product of its digits is 6912, while the sum is 28.

Adding to 231313242412 its reverse (214242313132), we get a palindrome (445555555544).

The spelling of 231313242412 in words is "two hundred thirty-one billion, three hundred thirteen million, two hundred forty-two thousand, four hundred twelve".