231022032 has 40 divisors (see below), whose sum is σ = 597923040. Its totient is φ = 76863360.

The previous prime is 231022009. The next prime is 231022039. The reversal of 231022032 is 230220132.

231022032 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231022039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23194 + ... + 31622.

It is an arithmetic number, because the mean of its divisors is an integer number (14948076).

Almost surely, 2^231022032 is an apocalyptic number.

It is an amenable number.

231022032 is an abundant number, since it is smaller than the sum of its proper divisors (366901008).

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

231022032 is a wasteful number, since it uses less digits than its factorization.

231022032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9011 (or 9005 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 231022032 is about 15199.4089358764. The cubic root of 231022032 is about 613.5987503849.

Adding to 231022032 its reverse (230220132), we get a palindrome (461242164).

It can be divided in two parts, 2310 and 22032, that added together give a palindrome (24342).

The spelling of 231022032 in words is "two hundred thirty-one million, twenty-two thousand, thirty-two".