235131120513 has 64 divisors (see below), whose sum is σ = 364751773440. Its totient is φ = 149551142400.

The previous prime is 235131120491. The next prime is 235131120529. The reversal of 235131120513 is 315021131532.

235131120513 is a `hidden beast` number, since 2 + 3 + 5 + 131 + 12 + 0 + 513 = 666.

It is not a de Polignac number, because 235131120513 - 2¹⁴ = 235131104129 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (235131120563) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 20164981 + ... + 20176637.

It is an arithmetic number, because the mean of its divisors is an integer number (5699246460).

Almost surely, 2^235131120513 is an apocalyptic number.

It is an amenable number.

235131120513 is a deficient number, since it is larger than the sum of its proper divisors (129620652927).

235131120513 is a wasteful number, since it uses less digits than its factorization.

235131120513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12095 (or 12089 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The spelling of 235131120513 in words is "two hundred thirty-five billion, one hundred thirty-one million, one hundred twenty thousand, five hundred thirteen".