231112211132 has 24 divisors (see below), whose sum is σ = 441308431872. Its totient is φ = 105028574000.

The previous prime is 231112211131. The next prime is 231112211137.

231112211132 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231112211131) 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, 351494 + ... + 765357.

It is an arithmetic number, because the mean of its divisors is an integer number (18387851328).

Almost surely, 2^231112211132 is an apocalyptic number.

231112211132 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

231112211132 is a deficient number, since it is larger than the sum of its proper divisors (210196220740).

231112211132 is a wasteful number, since it uses less digits than its factorization.

231112211132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1121569 (or 1121567 counting only the distinct ones).

The product of its digits is 144, while the sum is 20.

It can be divided in two parts, 231112 and 211132, that added together give a palindrome (442244).

The spelling of 231112211132 in words is "two hundred thirty-one billion, one hundred twelve million, two hundred eleven thousand, one hundred thirty-two".