231446059507900 has 144 divisors (see below), whose sum is σ = 532403205264000. Its totient is φ = 87030781378560.

The previous prime is 231446059507889. The next prime is 231446059507991. The reversal of 231446059507900 is 9705950644132.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10444777021 + ... + 10444799179.

It is an arithmetic number, because the mean of its divisors is an integer number (3697244481000).

Almost surely, 2^{231446059507900} is an apocalyptic number.

231446059507900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231446059507900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (266201602632000).

231446059507900 is an abundant number, since it is smaller than the sum of its proper divisors (300957145756100).

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

231446059507900 is a wasteful number, since it uses less digits than its factorization.

231446059507900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29096 (or 29089 counting only the distinct ones).

The product of its (nonzero) digits is 8164800, while the sum is 55.

The spelling of 231446059507900 in words is "two hundred thirty-one trillion, four hundred forty-six billion, fifty-nine million, five hundred seven thousand, nine hundred".