132312220231 has 4 divisors (see below), whose sum is σ = 132317289432. Its totient is φ = 132307151032.

The previous prime is 132312220213. The next prime is 132312220291. The reversal of 132312220231 is 132022213231.

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 132312220231 - 2⁹ = 132312219719 is a prime.

It is a super-2 number, since 2×132312220231² (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 (132312220291) 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, 2495245 + ... + 2547718.

It is an arithmetic number, because the mean of its divisors is an integer number (33079322358).

Almost surely, 2^132312220231 is an apocalyptic number.

132312220231 is a deficient number, since it is larger than the sum of its proper divisors (5069201).

132312220231 is an equidigital number, since it uses as much as digits as its factorization.

132312220231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5069200.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 132312220231 its reverse (132022213231), we get a palindrome (264334433462).

The spelling of 132312220231 in words is "one hundred thirty-two billion, three hundred twelve million, two hundred twenty thousand, two hundred thirty-one".