33031422197 has 2 divisors, whose sum is σ = 33031422198. Its totient is φ = 33031422196.

The previous prime is 33031422181. The next prime is 33031422247. The reversal of 33031422197 is 79122413033.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24689522641 + 8341899556 = 157129^2 + 91334^2 .

It is a cyclic number.

It is not a de Polignac number, because 33031422197 - 2⁴ = 33031422181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33031422107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16515711098 + 16515711099.

It is an arithmetic number, because the mean of its divisors is an integer number (16515711099).

Almost surely, 2^33031422197 is an apocalyptic number.

It is an amenable number.

33031422197 is a deficient number, since it is larger than the sum of its proper divisors (1).

33031422197 is an equidigital number, since it uses as much as digits as its factorization.

33031422197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 35.

The spelling of 33031422197 in words is "thirty-three billion, thirty-one million, four hundred twenty-two thousand, one hundred ninety-seven".