231533525120045 has 32 divisors (see below), whose sum is σ = 286983225897984. Its totient is φ = 179248377830400.

The previous prime is 231533525120033. The next prime is 231533525120123. The reversal of 231533525120045 is 540021525335132.

It is not a de Polignac number, because 231533525120045 - 2⁸ = 231533525119789 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 231533525119984 and 231533525120011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12874397 + ... + 25076226.

It is an arithmetic number, because the mean of its divisors is an integer number (8968225809312).

Almost surely, 2^{231533525120045} is an apocalyptic number.

It is an amenable number.

231533525120045 is a deficient number, since it is larger than the sum of its proper divisors (55449700777939).

231533525120045 is a wasteful number, since it uses less digits than its factorization.

231533525120045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37951013.

The product of its (nonzero) digits is 540000, while the sum is 41.

The spelling of 231533525120045 in words is "two hundred thirty-one trillion, five hundred thirty-three billion, five hundred twenty-five million, one hundred twenty thousand, forty-five".