231532455342151 has 32 divisors (see below), whose sum is σ = 251536960604160. Its totient is φ = 212457227224704.

The previous prime is 231532455342143. The next prime is 231532455342203. The reversal of 231532455342151 is 151243554235132.

It is a cyclic number.

It is not a de Polignac number, because 231532455342151 - 2³ = 231532455342143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231532455342101) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 96443686 + ... + 98815228.

It is an arithmetic number, because the mean of its divisors is an integer number (7860530018880).

Almost surely, 2^{231532455342151} is an apocalyptic number.

231532455342151 is a deficient number, since it is larger than the sum of its proper divisors (20004505262009).

231532455342151 is a wasteful number, since it uses less digits than its factorization.

231532455342151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2372535.

The product of its digits is 2160000, while the sum is 46.

The spelling of 231532455342151 in words is "two hundred thirty-one trillion, five hundred thirty-two billion, four hundred fifty-five million, three hundred forty-two thousand, one hundred fifty-one".