132221031231 has 8 divisors (see below), whose sum is σ = 176302914480. Its totient is φ = 88143251072.

The previous prime is 132221031211. The next prime is 132221031233. The reversal of 132221031231 is 132130122231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 132221031231 - 2⁹ = 132221030719 is a prime.

It is a super-2 number, since 2×132221031231² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 132221031198 and 132221031207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132221031233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 949776 + ... + 1080053.

It is an arithmetic number, because the mean of its divisors is an integer number (22037864310).

Almost surely, 2^132221031231 is an apocalyptic number.

132221031231 is a deficient number, since it is larger than the sum of its proper divisors (44081883249).

132221031231 is a wasteful number, since it uses less digits than its factorization.

132221031231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2051545.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 132221031231 its reverse (132130122231), we get a palindrome (264351153462).

The spelling of 132221031231 in words is "one hundred thirty-two billion, two hundred twenty-one million, thirty-one thousand, two hundred thirty-one".