231834745500 has 48 divisors (see below), whose sum is σ = 675102783264. Its totient is φ = 61822598400.

The previous prime is 231834745481. The next prime is 231834745511. The reversal of 231834745500 is 5547438132.

It is a congruent number.

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, 77276749 + ... + 77279748.

It is an arithmetic number, because the mean of its divisors is an integer number (14064641318).

Almost surely, 2^231834745500 is an apocalyptic number.

231834745500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231834745500 is an abundant number, since it is smaller than the sum of its proper divisors (443268037764).

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

231834745500 is a wasteful number, since it uses less digits than its factorization.

231834745500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154556519 (or 154556507 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 42.

The spelling of 231834745500 in words is "two hundred thirty-one billion, eight hundred thirty-four million, seven hundred forty-five thousand, five hundred".