231535011512135 has 16 divisors (see below), whose sum is σ = 291237686641440. Its totient is φ = 176507688860160.

The previous prime is 231535011512023. The next prime is 231535011512261. The reversal of 231535011512135 is 531215110535132.

It is not a de Polignac number, because 231535011512135 - 2³⁶ = 231466292035399 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13133003750 + ... + 13133021379.

It is an arithmetic number, because the mean of its divisors is an integer number (18202355415090).

Almost surely, 2^{231535011512135} is an apocalyptic number.

231535011512135 is a deficient number, since it is larger than the sum of its proper divisors (59702675129305).

231535011512135 is a wasteful number, since it uses less digits than its factorization.

231535011512135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26266025218.

The product of its (nonzero) digits is 67500, while the sum is 38.

The spelling of 231535011512135 in words is "two hundred thirty-one trillion, five hundred thirty-five billion, eleven million, five hundred twelve thousand, one hundred thirty-five".