231542054504 has 48 divisors (see below), whose sum is σ = 469177319520. Its totient is φ = 106918898240.

The previous prime is 231542054479. The next prime is 231542054509. The reversal of 231542054504 is 405450245132.

It is a super-2 number, since 2×231542054504² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (231542054509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 593402 + ... + 902889.

It is an arithmetic number, because the mean of its divisors is an integer number (9774527490).

Almost surely, 2^231542054504 is an apocalyptic number.

It is an amenable number.

231542054504 is an abundant number, since it is smaller than the sum of its proper divisors (237635265016).

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

231542054504 is a wasteful number, since it uses less digits than its factorization.

231542054504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1496378 (or 1496345 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 35.

Adding to 231542054504 its reverse (405450245132), we get a palindrome (636992299636).

The spelling of 231542054504 in words is "two hundred thirty-one billion, five hundred forty-two million, fifty-four thousand, five hundred four".