32210213281 has 2 divisors, whose sum is σ = 32210213282. Its totient is φ = 32210213280.

The previous prime is 32210213257. The next prime is 32210213323. The reversal of 32210213281 is 18231201223.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27875307681 + 4334905600 = 166959^2 + 65840^2 .

It is a cyclic number.

It is not a de Polignac number, because 32210213281 - 2⁷ = 32210213153 is a prime.

It is a super-2 number, since 2×32210213281² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (32210223281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16105106640 + 16105106641.

It is an arithmetic number, because the mean of its divisors is an integer number (16105106641).

Almost surely, 2^32210213281 is an apocalyptic number.

It is an amenable number.

32210213281 is a deficient number, since it is larger than the sum of its proper divisors (1).

32210213281 is an equidigital number, since it uses as much as digits as its factorization.

32210213281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 25.

The spelling of 32210213281 in words is "thirty-two billion, two hundred ten million, two hundred thirteen thousand, two hundred eighty-one".