231534553400000 has 84 divisors (see below), whose sum is σ = 574277468639616. Its totient is φ = 92613821280000.

The previous prime is 231534553399979. The next prime is 231534553400053. The reversal of 231534553400000 is 4355435132.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 578636384 + ... + 579036383.

It is an arithmetic number, because the mean of its divisors is an integer number (6836636531424).

Almost surely, 2^{231534553400000} is an apocalyptic number.

231534553400000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231534553400000 is an abundant number, since it is smaller than the sum of its proper divisors (342742915239616).

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

231534553400000 is an frugal number, since it uses more digits than its factorization.

231534553400000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1157672804 (or 1157672774 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 35.

The spelling of 231534553400000 in words is "two hundred thirty-one trillion, five hundred thirty-four billion, five hundred fifty-three million, four hundred thousand".