132020131231 has 4 divisors (see below), whose sum is σ = 132020957200. Its totient is φ = 132019305264.

The previous prime is 132020131129. The next prime is 132020131279. The reversal of 132020131231 is 132131020231.

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, and also an emirpimes, since its reverse is a distinct semiprime: 132131020231 = 7 ⋅18875860033.

It is a cyclic number.

It is not a de Polignac number, because 132020131231 - 2¹¹ = 132020129183 is a prime.

It is a super-2 number, since 2×132020131231² (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 = 132020131199 and 132020131208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132020831231) 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, 87966 + ... + 521323.

It is an arithmetic number, because the mean of its divisors is an integer number (33005239300).

Almost surely, 2^132020131231 is an apocalyptic number.

132020131231 is a deficient number, since it is larger than the sum of its proper divisors (825969).

132020131231 is an equidigital number, since it uses as much as digits as its factorization.

132020131231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 825968.

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

Adding to 132020131231 its reverse (132131020231), we get a palindrome (264151151462).

The spelling of 132020131231 in words is "one hundred thirty-two billion, twenty million, one hundred thirty-one thousand, two hundred thirty-one".