231040132 has 12 divisors (see below), whose sum is σ = 428103900. Its totient is φ = 108724736.

The previous prime is 231040097. The next prime is 231040151.

It is a happy number.

231040132 is nontrivially palindromic in base 10.

231040132 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 104162436 + 126877696 = 10206^2 + 11264^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1698757 + ... + 1698892.

It is an arithmetic number, because the mean of its divisors is an integer number (35675325).

Almost surely, 2^231040132 is an apocalyptic number.

It is an amenable number.

231040132 is a deficient number, since it is larger than the sum of its proper divisors (197063768).

231040132 is a wasteful number, since it uses less digits than its factorization.

231040132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3397670 (or 3397668 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 231040132 is about 15200.0043421046. The cubic root of 231040132 is about 613.6147746103.

The spelling of 231040132 in words is "two hundred thirty-one million, forty thousand, one hundred thirty-two".