231251425503 has 24 divisors (see below), whose sum is σ = 358703630208. Its totient is φ = 132133374576.

The previous prime is 231251425477. The next prime is 231251425507. The reversal of 231251425503 is 305524152132.

It is not a de Polignac number, because 231251425503 - 2⁹ = 231251424991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231251425507) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2086750 + ... + 2194772.

It is an arithmetic number, because the mean of its divisors is an integer number (14945984592).

Almost surely, 2^231251425503 is an apocalyptic number.

231251425503 is a deficient number, since it is larger than the sum of its proper divisors (127452204705).

231251425503 is a wasteful number, since it uses less digits than its factorization.

231251425503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122603 (or 122596 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 33.

Adding to 231251425503 its reverse (305524152132), we get a palindrome (536775577635).

The spelling of 231251425503 in words is "two hundred thirty-one billion, two hundred fifty-one million, four hundred twenty-five thousand, five hundred three".