231503124424 has 64 divisors (see below), whose sum is σ = 520804650240. Its totient is φ = 95067471360.

The previous prime is 231503124341. The next prime is 231503124427. The reversal of 231503124424 is 424421305132.

It is not an unprimeable number, because it can be changed into a prime (231503124427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2099029 + ... + 2206564.

It is an arithmetic number, because the mean of its divisors is an integer number (8137572660).

Almost surely, 2^231503124424 is an apocalyptic number.

It is an amenable number.

231503124424 is an abundant number, since it is smaller than the sum of its proper divisors (289301525816).

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

231503124424 is a wasteful number, since it uses less digits than its factorization.

231503124424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4305670 (or 4305666 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 231503124424 its reverse (424421305132), we get a palindrome (655924429556).

The spelling of 231503124424 in words is "two hundred thirty-one billion, five hundred three million, one hundred twenty-four thousand, four hundred twenty-four".