33120131249 has 2 divisors, whose sum is σ = 33120131250. Its totient is φ = 33120131248.

The previous prime is 33120131227. The next prime is 33120131267. The reversal of 33120131249 is 94213102133.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31539273649 + 1580857600 = 177593^2 + 39760^2 .

It is a cyclic number.

It is not a de Polignac number, because 33120131249 - 2³² = 28825163953 is a prime.

It is not a weakly prime, because it can be changed into another prime (33120131749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16560065624 + 16560065625.

It is an arithmetic number, because the mean of its divisors is an integer number (16560065625).

Almost surely, 2^33120131249 is an apocalyptic number.

It is an amenable number.

33120131249 is a deficient number, since it is larger than the sum of its proper divisors (1).

33120131249 is an equidigital number, since it uses as much as digits as its factorization.

33120131249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 29.

The spelling of 33120131249 in words is "thirty-three billion, one hundred twenty million, one hundred thirty-one thousand, two hundred forty-nine".