34131221099 has 2 divisors, whose sum is σ = 34131221100. Its totient is φ = 34131221098.

The previous prime is 34131221093. The next prime is 34131221143. The reversal of 34131221099 is 99012213143.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 34131221099 - 2²⁸ = 33862785643 is a prime.

It is not a weakly prime, because it can be changed into another prime (34131221093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17065610549 + 17065610550.

It is an arithmetic number, because the mean of its divisors is an integer number (17065610550).

Almost surely, 2^34131221099 is an apocalyptic number.

34131221099 is a deficient number, since it is larger than the sum of its proper divisors (1).

34131221099 is an equidigital number, since it uses as much as digits as its factorization.

34131221099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11664, while the sum is 35.

The spelling of 34131221099 in words is "thirty-four billion, one hundred thirty-one million, two hundred twenty-one thousand, ninety-nine".