132123231131 has 4 divisors (see below), whose sum is σ = 132124118064. Its totient is φ = 132122344200.

The previous prime is 132123231091. The next prime is 132123231157. The reversal of 132123231131 is 131132321231.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 132123231131 - 2⁶ = 132123231067 is a prime.

It is a super-2 number, since 2×132123231131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 132123231097 and 132123231106.

It is not an unprimeable number, because it can be changed into a prime (132123231431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 159335 + ... + 538176.

It is an arithmetic number, because the mean of its divisors is an integer number (33031029516).

Almost surely, 2^132123231131 is an apocalyptic number.

132123231131 is a deficient number, since it is larger than the sum of its proper divisors (886933).

132123231131 is an equidigital number, since it uses as much as digits as its factorization.

132123231131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 886932.

The product of its digits is 648, while the sum is 23.

Adding to 132123231131 its reverse (131132321231), we get a palindrome (263255552362).

The spelling of 132123231131 in words is "one hundred thirty-two billion, one hundred twenty-three million, two hundred thirty-one thousand, one hundred thirty-one".