231515553412135 has 8 divisors (see below), whose sum is σ = 278851447234080. Its totient is φ = 184523920636704.

The previous prime is 231515553412111. The next prime is 231515553412151. The reversal of 231515553412135 is 531214355515132.

231515553412135 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-231515553412135 is a prime.

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, 86065260147 + ... + 86065262836.

It is an arithmetic number, because the mean of its divisors is an integer number (34856430904260).

Almost surely, 2^{231515553412135} is an apocalyptic number.

231515553412135 is a deficient number, since it is larger than the sum of its proper divisors (47335893821945).

231515553412135 is a wasteful number, since it uses less digits than its factorization.

231515553412135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172130523257.

The product of its digits is 1350000, while the sum is 46.

The spelling of 231515553412135 in words is "two hundred thirty-one trillion, five hundred fifteen billion, five hundred fifty-three million, four hundred twelve thousand, one hundred thirty-five".