32311142221 has 2 divisors, whose sum is σ = 32311142222. Its totient is φ = 32311142220.

The previous prime is 32311142209. The next prime is 32311142231. The reversal of 32311142221 is 12224111323.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31901889321 + 409252900 = 178611^2 + 20230^2 .

It is a cyclic number.

It is not a de Polignac number, because 32311142221 - 2¹³ = 32311134029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 32311142192 and 32311142201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32311142231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16155571110 + 16155571111.

It is an arithmetic number, because the mean of its divisors is an integer number (16155571111).

Almost surely, 2^32311142221 is an apocalyptic number.

It is an amenable number.

32311142221 is a deficient number, since it is larger than the sum of its proper divisors (1).

32311142221 is an equidigital number, since it uses as much as digits as its factorization.

32311142221 is an evil number, because the sum of its binary digits is even.

The product of its digits is 576, while the sum is 22.

Adding to 32311142221 its reverse (12224111323), we get a palindrome (44535253544).

The spelling of 32311142221 in words is "thirty-two billion, three hundred eleven million, one hundred forty-two thousand, two hundred twenty-one".