33031421117 has 2 divisors, whose sum is σ = 33031421118. Its totient is φ = 33031421116.

The previous prime is 33031421023. The next prime is 33031421177. The reversal of 33031421117 is 71112413033.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32767878361 + 263542756 = 181019^2 + 16234^2 .

It is a cyclic number.

It is not a de Polignac number, because 33031421117 - 2¹⁴ = 33031404733 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33031421177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16515710558 + 16515710559.

It is an arithmetic number, because the mean of its divisors is an integer number (16515710559).

Almost surely, 2^33031421117 is an apocalyptic number.

It is an amenable number.

33031421117 is a deficient number, since it is larger than the sum of its proper divisors (1).

33031421117 is an equidigital number, since it uses as much as digits as its factorization.

33031421117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 26.

The spelling of 33031421117 in words is "thirty-three billion, thirty-one million, four hundred twenty-one thousand, one hundred seventeen".