132122021631 has 4 divisors (see below), whose sum is σ = 176162695512. Its totient is φ = 88081347752.

The previous prime is 132122021597. The next prime is 132122021699. The reversal of 132122021631 is 136120221231.

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 132122021631 - 2⁶ = 132122021567 is a prime.

It is a super-2 number, since 2×132122021631² (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 (132122021131) 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, 22020336936 + ... + 22020336941.

It is an arithmetic number, because the mean of its divisors is an integer number (44040673878).

Almost surely, 2^132122021631 is an apocalyptic number.

132122021631 is a deficient number, since it is larger than the sum of its proper divisors (44040673881).

132122021631 is an equidigital number, since it uses as much as digits as its factorization.

132122021631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44040673880.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 132122021631 its reverse (136120221231), we get a palindrome (268242242862).

The spelling of 132122021631 in words is "one hundred thirty-two billion, one hundred twenty-two million, twenty-one thousand, six hundred thirty-one".