231231100132 has 24 divisors (see below), whose sum is σ = 406515957120. Its totient is φ = 115084458720.

The previous prime is 231231100063. The next prime is 231231100181. The reversal of 231231100132 is 231001132132.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1105983 + ... + 1298329.

It is an arithmetic number, because the mean of its divisors is an integer number (16938164880).

Almost surely, 2^231231100132 is an apocalyptic number.

It is an amenable number.

231231100132 is a deficient number, since it is larger than the sum of its proper divisors (175284856988).

231231100132 is a wasteful number, since it uses less digits than its factorization.

231231100132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193731 (or 193729 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 231231100132 its reverse (231001132132), we get a palindrome (462232232264).

The spelling of 231231100132 in words is "two hundred thirty-one billion, two hundred thirty-one million, one hundred thousand, one hundred thirty-two".