33102202481 has 2 divisors, whose sum is σ = 33102202482. Its totient is φ = 33102202480.

The previous prime is 33102202457. The next prime is 33102202487. The reversal of 33102202481 is 18420220133.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32984371456 + 117831025 = 181616^2 + 10855^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33102202481 is a prime.

It is a super-2 number, since 2×33102202481² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 33102202481.

It is not a weakly prime, because it can be changed into another prime (33102202487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16551101240 + 16551101241.

It is an arithmetic number, because the mean of its divisors is an integer number (16551101241).

Almost surely, 2^33102202481 is an apocalyptic number.

It is an amenable number.

33102202481 is a deficient number, since it is larger than the sum of its proper divisors (1).

33102202481 is an equidigital number, since it uses as much as digits as its factorization.

33102202481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 26.

The spelling of 33102202481 in words is "thirty-three billion, one hundred two million, two hundred two thousand, four hundred eighty-one".