231040402412 has 24 divisors (see below), whose sum is σ = 418288357200. Its totient is φ = 111529930176.

The previous prime is 231040402393. The next prime is 231040402427. The reversal of 231040402412 is 214204040132.

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, 2208914 + ... + 2311142.

It is an arithmetic number, because the mean of its divisors is an integer number (17428681550).

Almost surely, 2^231040402412 is an apocalyptic number.

It is an amenable number.

231040402412 is a deficient number, since it is larger than the sum of its proper divisors (187247954788).

231040402412 is a wasteful number, since it uses less digits than its factorization.

231040402412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121745 (or 121743 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 231040402412 its reverse (214204040132), we get a palindrome (445244442544).

The spelling of 231040402412 in words is "two hundred thirty-one billion, forty million, four hundred two thousand, four hundred twelve".