231531541024254 has 16 divisors (see below), whose sum is σ = 463064294050320. Its totient is φ = 77176978341120.

The previous prime is 231531541024243. The next prime is 231531541024291. The reversal of 231531541024254 is 452420145135132.

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, 48007189 + ... + 52609440.

It is an arithmetic number, because the mean of its divisors is an integer number (28941518378145).

Almost surely, 2^{231531541024254} is an apocalyptic number.

231531541024254 is an abundant number, since it is smaller than the sum of its proper divisors (231532753026066).

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

231531541024254 is a wasteful number, since it uses less digits than its factorization.

231531541024254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101000155.

The product of its (nonzero) digits is 576000, while the sum is 42.

Adding to 231531541024254 its reverse (452420145135132), we get a palindrome (683951686159386).

The spelling of 231531541024254 in words is "two hundred thirty-one trillion, five hundred thirty-one billion, five hundred forty-one million, twenty-four thousand, two hundred fifty-four".