231122132 has 24 divisors (see below), whose sum is σ = 411571776. Its totient is φ = 113545728.

The previous prime is 231122131. The next prime is 231122149. The reversal of 231122132 is 231221132.

231122132 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 231122132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231122131) 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, 62273 + ... + 65879.

It is an arithmetic number, because the mean of its divisors is an integer number (17148824).

Almost surely, 2^231122132 is an apocalyptic number.

It is an amenable number.

231122132 is a deficient number, since it is larger than the sum of its proper divisors (180449644).

231122132 is a wasteful number, since it uses less digits than its factorization.

231122132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3887 (or 3885 counting only the distinct ones).

The product of its digits is 144, while the sum is 17.

The square root of 231122132 is about 15202.7014704624. The cubic root of 231122132 is about 613.6873600663.

Adding to 231122132 its reverse (231221132), we get a palindrome (462343264).

The spelling of 231122132 in words is "two hundred thirty-one million, one hundred twenty-two thousand, one hundred thirty-two".