231441459228 has 288 divisors, whose sum is σ = 718269866496. Its totient is φ = 61332074496.

The previous prime is 231441459187. The next prime is 231441459233. The reversal of 231441459228 is 822954144132.

231441459228 is a `hidden beast` number, since 2 + 3 + 1 + 4 + 414 + 5 + 9 + 228 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 242855200 + ... + 242856152.

It is an arithmetic number, because the mean of its divisors is an integer number (2493992592).

Almost surely, 2^231441459228 is an apocalyptic number.

231441459228 is a gapful number since it is divisible by the number (28) 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 231441459228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (359134933248).

231441459228 is an abundant number, since it is smaller than the sum of its proper divisors (486828407268).

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

231441459228 is a wasteful number, since it uses less digits than its factorization.

231441459228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1753 (or 1748 counting only the distinct ones).

The product of its digits is 552960, while the sum is 45.

The spelling of 231441459228 in words is "two hundred thirty-one billion, four hundred forty-one million, four hundred fifty-nine thousand, two hundred twenty-eight".