231430244120 has 64 divisors (see below), whose sum is σ = 522880596000. Its totient is φ = 92187952128.

The previous prime is 231430244117. The next prime is 231430244137. The reversal of 231430244120 is 21442034132.

It is a self number, because there is not a number n which added to its sum of digits gives 231430244120.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44683691 + ... + 44688869.

Almost surely, 2^231430244120 is an apocalyptic number.

231430244120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231430244120 is an abundant number, since it is smaller than the sum of its proper divisors (291450351880).

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

231430244120 is a wasteful number, since it uses less digits than its factorization.

231430244120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9612 (or 9608 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 231430244120 its reverse (21442034132), we get a palindrome (252872278252).

The spelling of 231430244120 in words is "two hundred thirty-one billion, four hundred thirty million, two hundred forty-four thousand, one hundred twenty".