32212031081 has 2 divisors, whose sum is σ = 32212031082. Its totient is φ = 32212031080.

The previous prime is 32212031053. The next prime is 32212031107. The reversal of 32212031081 is 18013021223.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25274640400 + 6937390681 = 158980^2 + 83291^2 .

It is a cyclic number.

It is not a de Polignac number, because 32212031081 - 2⁶ = 32212031017 is a prime.

It is a super-2 number, since 2×32212031081² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (32212031011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16106015540 + 16106015541.

It is an arithmetic number, because the mean of its divisors is an integer number (16106015541).

Almost surely, 2^32212031081 is an apocalyptic number.

It is an amenable number.

32212031081 is a deficient number, since it is larger than the sum of its proper divisors (1).

32212031081 is an equidigital number, since it uses as much as digits as its factorization.

32212031081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 23.

It can be divided in two parts, 3221 and 2031081, that added together give a palindrome (2034302).

The spelling of 32212031081 in words is "thirty-two billion, two hundred twelve million, thirty-one thousand, eighty-one".