231361532 has 24 divisors (see below), whose sum is σ = 412369440. Its totient is φ = 113549760.

The previous prime is 231361513. The next prime is 231361553. The reversal of 231361532 is 235163132.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 215894 + ... + 216962.

It is an arithmetic number, because the mean of its divisors is an integer number (17182060).

Almost surely, 2^231361532 is an apocalyptic number.

It is an amenable number.

231361532 is a deficient number, since it is larger than the sum of its proper divisors (181007908).

231361532 is a wasteful number, since it uses less digits than its factorization.

231361532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2021 (or 2019 counting only the distinct ones).

The product of its digits is 3240, while the sum is 26.

The square root of 231361532 is about 15210.5730332555. The cubic root of 231361532 is about 613.8991760091.

The spelling of 231361532 in words is "two hundred thirty-one million, three hundred sixty-one thousand, five hundred thirty-two".