231533451324112 has 80 divisors (see below), whose sum is σ = 513492606512640. Its totient is φ = 99071695304064.

The previous prime is 231533451324101. The next prime is 231533451324173. The reversal of 231533451324112 is 211423154335132.

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, 189642883 + ... + 190859869.

It is an arithmetic number, because the mean of its divisors is an integer number (6418657581408).

Almost surely, 2^{231533451324112} is an apocalyptic number.

It is an amenable number.

231533451324112 is an abundant number, since it is smaller than the sum of its proper divisors (281959155188528).

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

231533451324112 is a wasteful number, since it uses less digits than its factorization.

231533451324112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1219688 (or 1219682 counting only the distinct ones).

The product of its digits is 259200, while the sum is 40.

The spelling of 231533451324112 in words is "two hundred thirty-one trillion, five hundred thirty-three billion, four hundred fifty-one million, three hundred twenty-four thousand, one hundred twelve".