231041532 has 24 divisors (see below), whose sum is σ = 562536576. Its totient is φ = 73665328.

The previous prime is 231041467. The next prime is 231041557. The reversal of 231041532 is 235140132.

It is a junction number, because it is equal to n+sod(n) for n = 231041499 and 231041508.

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, 418278 + ... + 418829.

It is an arithmetic number, because the mean of its divisors is an integer number (23439024).

Almost surely, 2^231041532 is an apocalyptic number.

It is an amenable number.

231041532 is an abundant number, since it is smaller than the sum of its proper divisors (331495044).

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

231041532 is a wasteful number, since it uses less digits than its factorization.

231041532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 837137 (or 837135 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 231041532 is about 15200.0503946533. The cubic root of 231041532 is about 613.6160140183.

Adding to 231041532 its reverse (235140132), we get a palindrome (466181664).

The spelling of 231041532 in words is "two hundred thirty-one million, forty-one thousand, five hundred thirty-two".