231542054503 has 12 divisors (see below), whose sum is σ = 237513220504. Its totient is φ = 225717595200.

The previous prime is 231542054479. The next prime is 231542054509. The reversal of 231542054503 is 305450245132.

It is not a de Polignac number, because 231542054503 - 2³⁷ = 94103101031 is a prime.

It is a super-2 number, since 2×231542054503² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

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

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2116825 + ... + 2223517.

Almost surely, 2^231542054503 is an apocalyptic number.

231542054503 is a deficient number, since it is larger than the sum of its proper divisors (5971166001).

231542054503 is a wasteful number, since it uses less digits than its factorization.

231542054503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108066 (or 108025 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 34.

Adding to 231542054503 its reverse (305450245132), we get a palindrome (536992299635).

The spelling of 231542054503 in words is "two hundred thirty-one billion, five hundred forty-two million, fifty-four thousand, five hundred three".