132020011231 has 4 divisors (see below), whose sum is σ = 134257638600. Its totient is φ = 129782383864.

The previous prime is 132020011183. The next prime is 132020011241. The reversal of 132020011231 is 132110020231.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 132020011231 - 2¹⁵ = 132019978463 is a prime.

It is a super-2 number, since 2×132020011231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132020011241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1118813596 + ... + 1118813713.

It is an arithmetic number, because the mean of its divisors is an integer number (33564409650).

Almost surely, 2^132020011231 is an apocalyptic number.

132020011231 is a deficient number, since it is larger than the sum of its proper divisors (2237627369).

132020011231 is an equidigital number, since it uses as much as digits as its factorization.

132020011231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2237627368.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 132020011231 its reverse (132110020231), we get a palindrome (264130031462).

The spelling of 132020011231 in words is "one hundred thirty-two billion, twenty million, eleven thousand, two hundred thirty-one".