33234031091 has 2 divisors, whose sum is σ = 33234031092. Its totient is φ = 33234031090.

The previous prime is 33234031087. The next prime is 33234031093. The reversal of 33234031091 is 19013043233.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 33234031091 - 2² = 33234031087 is a prime.

It is a super-2 number, since 2×33234031091² (a number of 22 digits) contains 22 as substring.

Together with 33234031093, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (33234031093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16617015545 + 16617015546.

It is an arithmetic number, because the mean of its divisors is an integer number (16617015546).

Almost surely, 2^33234031091 is an apocalyptic number.

33234031091 is a deficient number, since it is larger than the sum of its proper divisors (1).

33234031091 is an equidigital number, since it uses as much as digits as its factorization.

33234031091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832, while the sum is 29.

The spelling of 33234031091 in words is "thirty-three billion, two hundred thirty-four million, thirty-one thousand, ninety-one".