231203254424 has 32 divisors (see below), whose sum is σ = 434340387840. Its totient is φ = 115379316000.

The previous prime is 231203254397. The next prime is 231203254439. The reversal of 231203254424 is 424452302132.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13164449 + ... + 13181999.

It is an arithmetic number, because the mean of its divisors is an integer number (13573137120).

Almost surely, 2^231203254424 is an apocalyptic number.

It is an amenable number.

231203254424 is a deficient number, since it is larger than the sum of its proper divisors (203137133416).

231203254424 is a wasteful number, since it uses less digits than its factorization.

231203254424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20631 (or 20627 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 32.

Adding to 231203254424 its reverse (424452302132), we get a palindrome (655655556556).

The spelling of 231203254424 in words is "two hundred thirty-one billion, two hundred three million, two hundred fifty-four thousand, four hundred twenty-four".