32311000012021 has 4 divisors (see below), whose sum is σ = 32394061709100. Its totient is φ = 32227938314944.

The previous prime is 32311000011991. The next prime is 32311000012043. The reversal of 32311000012021 is 12021000011323.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 16156468679121 + 16154531332900 = 4019511^2 + 4019270^2 .

It is a cyclic number.

It is not a de Polignac number, because 32311000012021 - 2⁹ = 32311000011509 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 32311000011986 and 32311000012004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32311000012051) 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, 41530847956 + ... + 41530848733.

It is an arithmetic number, because the mean of its divisors is an integer number (8098515427275).

Almost surely, 2^{32311000012021} is an apocalyptic number.

It is an amenable number.

32311000012021 is a deficient number, since it is larger than the sum of its proper divisors (83061697079).

32311000012021 is an equidigital number, since it uses as much as digits as its factorization.

32311000012021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83061697078.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 32311000012021 its reverse (12021000011323), we get a palindrome (44332000023344).

The spelling of 32311000012021 in words is "thirty-two trillion, three hundred eleven billion, twelve thousand, twenty-one".