231531421255043 has 8 divisors (see below), whose sum is σ = 284961749237088. Its totient is φ = 183189695937984.

The previous prime is 231531421255027. The next prime is 231531421255061. The reversal of 231531421255043 is 340552124135132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 231531421255043 - 2⁴ = 231531421255027 is a prime.

It is not an unprimeable number, because it can be changed into a prime (231531421255003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1272150666146 + ... + 1272150666327.

It is an arithmetic number, because the mean of its divisors is an integer number (35620218654636).

Almost surely, 2^{231531421255043} is an apocalyptic number.

231531421255043 is a deficient number, since it is larger than the sum of its proper divisors (53430327982045).

231531421255043 is a wasteful number, since it uses less digits than its factorization.

231531421255043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2544301332493.

The product of its (nonzero) digits is 432000, while the sum is 41.

The spelling of 231531421255043 in words is "two hundred thirty-one trillion, five hundred thirty-one billion, four hundred twenty-one million, two hundred fifty-five thousand, forty-three".