33012310091 has 2 divisors, whose sum is σ = 33012310092. Its totient is φ = 33012310090.

The previous prime is 33012310073. The next prime is 33012310117. The reversal of 33012310091 is 19001321033.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 33012310091 - 2¹⁰ = 33012309067 is a prime.

It is not a weakly prime, because it can be changed into another prime (33012310031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16506155045 + 16506155046.

It is an arithmetic number, because the mean of its divisors is an integer number (16506155046).

Almost surely, 2^33012310091 is an apocalyptic number.

33012310091 is a deficient number, since it is larger than the sum of its proper divisors (1).

33012310091 is an equidigital number, since it uses as much as digits as its factorization.

33012310091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 486, while the sum is 23.

The spelling of 33012310091 in words is "thirty-three billion, twelve million, three hundred ten thousand, ninety-one".