32280195281 has 2 divisors, whose sum is σ = 32280195282. Its totient is φ = 32280195280.

The previous prime is 32280195257. The next prime is 32280195301. The reversal of 32280195281 is 18259108223.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21872931025 + 10407264256 = 147895^2 + 102016^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32280195281 is a prime.

It is a super-2 number, since 2×32280195281² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (32280135281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16140097640 + 16140097641.

It is an arithmetic number, because the mean of its divisors is an integer number (16140097641).

Almost surely, 2^32280195281 is an apocalyptic number.

It is an amenable number.

32280195281 is a deficient number, since it is larger than the sum of its proper divisors (1).

32280195281 is an equidigital number, since it uses as much as digits as its factorization.

32280195281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69120, while the sum is 41.

The spelling of 32280195281 in words is "thirty-two billion, two hundred eighty million, one hundred ninety-five thousand, two hundred eighty-one".