231342400992 has 48 divisors (see below), whose sum is σ = 610666439040. Its totient is φ = 76683322752.

The previous prime is 231342400973. The next prime is 231342401011. The reversal of 231342400992 is 299004243132.

It is an interprime number because it is at equal distance from previous prime (231342400973) and next prime (231342401011).

It is a tau number, because it is divible by the number of its divisors (48).

It is a self number, because there is not a number n which added to its sum of digits gives 231342400992.

It is a congruent number.

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, 6714148 + ... + 6748515.

It is an arithmetic number, because the mean of its divisors is an integer number (12722217480).

Almost surely, 2^231342400992 is an apocalyptic number.

It is an amenable number.

231342400992 is an abundant number, since it is smaller than the sum of its proper divisors (379324038048).

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

231342400992 is a wasteful number, since it uses less digits than its factorization.

231342400992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13462855 (or 13462847 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 39.

The spelling of 231342400992 in words is "two hundred thirty-one billion, three hundred forty-two million, four hundred thousand, nine hundred ninety-two".