32021220131 has 2 divisors, whose sum is σ = 32021220132. Its totient is φ = 32021220130.

The previous prime is 32021220079. The next prime is 32021220151. The reversal of 32021220131 is 13102212023.

It is a strong prime.

It is an emirp because it is prime and its reverse (13102212023) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 32021220131 - 2⁶ = 32021220067 is a prime.

It is a super-2 number, since 2×32021220131² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (32021220151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16010610065 + 16010610066.

It is an arithmetic number, because the mean of its divisors is an integer number (16010610066).

Almost surely, 2^32021220131 is an apocalyptic number.

32021220131 is a deficient number, since it is larger than the sum of its proper divisors (1).

32021220131 is an equidigital number, since it uses as much as digits as its factorization.

32021220131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 32021220131 its reverse (13102212023), we get a palindrome (45123432154).

The spelling of 32021220131 in words is "thirty-two billion, twenty-one million, two hundred twenty thousand, one hundred thirty-one".