231130233011232 has 96 divisors (see below), whose sum is σ = 674133270148800. Its totient is φ = 77043019705344.

The previous prime is 231130233011213. The next prime is 231130233011297. The reversal of 231130233011232 is 232110332031132.

231130233011232 is a `hidden beast` number, since 2 + 3 + 1 + 1 + 302 + 330 + 1 + 1 + 23 + 2 = 666.

231130233011232 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×231130233011232² (a number of 30 digits) contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 231130233011196 and 231130233011205.

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, 205847119 + ... + 206966897.

It is an arithmetic number, because the mean of its divisors is an integer number (7022221564050).

Almost surely, 2^{231130233011232} is an apocalyptic number.

It is an amenable number.

231130233011232 is an abundant number, since it is smaller than the sum of its proper divisors (443003037137568).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231130233011232 is a wasteful number, since it uses less digits than its factorization.

231130233011232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1358695 (or 1358681 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

Adding to 231130233011232 its reverse (232110332031132), we get a palindrome (463240565042364).

The spelling of 231130233011232 in words is "two hundred thirty-one trillion, one hundred thirty billion, two hundred thirty-three million, eleven thousand, two hundred thirty-two".