231500426000 has 80 divisors (see below), whose sum is σ = 564176271360. Its totient is φ = 91870934400.

The previous prime is 231500425979. The next prime is 231500426021. The reversal of 231500426000 is 624005132.

It is an interprime number because it is at equal distance from previous prime (231500425979) and next prime (231500426021).

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 201710 + ... + 709709.

It is an arithmetic number, because the mean of its divisors is an integer number (7052203392).

Almost surely, 2^231500426000 is an apocalyptic number.

231500426000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231500426000 is an abundant number, since it is smaller than the sum of its proper divisors (332675845360).

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

231500426000 is a wasteful number, since it uses less digits than its factorization.

231500426000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 911569 (or 911553 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The spelling of 231500426000 in words is "two hundred thirty-one billion, five hundred million, four hundred twenty-six thousand".