132091091231 has 6 divisors (see below), whose sum is σ = 145191034296. Its totient is φ = 120082810100.

The previous prime is 132091091227. The next prime is 132091091263. The reversal of 132091091231 is 132190190231.

It is a happy number.

It is not a de Polignac number, because 132091091231 - 2² = 132091091227 is a prime.

It is a super-2 number, since 2×132091091231² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132091091221) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 545830835 + ... + 545831076.

It is an arithmetic number, because the mean of its divisors is an integer number (24198505716).

Almost surely, 2^132091091231 is an apocalyptic number.

132091091231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

132091091231 is a deficient number, since it is larger than the sum of its proper divisors (13099943065).

132091091231 is a wasteful number, since it uses less digits than its factorization.

132091091231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1091661933 (or 1091661922 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 32.

It can be divided in two parts, 1320910 and 91231, that added together give a palindrome (1412141).

The spelling of 132091091231 in words is "one hundred thirty-two billion, ninety-one million, ninety-one thousand, two hundred thirty-one".