3129033109 has 2 divisors, whose sum is σ = 3129033110. Its totient is φ = 3129033108.

The previous prime is 3129033071. The next prime is 3129033157. The reversal of 3129033109 is 9013309213.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3122350884 + 6682225 = 55878^2 + 2585^2 .

It is a cyclic number.

It is not a de Polignac number, because 3129033109 - 2²⁷ = 2994815381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3129030109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1564516554 + 1564516555.

It is an arithmetic number, because the mean of its divisors is an integer number (1564516555).

Almost surely, 2^3129033109 is an apocalyptic number.

It is an amenable number.

3129033109 is a deficient number, since it is larger than the sum of its proper divisors (1).

3129033109 is an equidigital number, since it uses as much as digits as its factorization.

3129033109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4374, while the sum is 31.

The square root of 3129033109 is about 55937.7610295586. The cubic root of 3129033109 is about 1462.6375524458.

The spelling of 3129033109 in words is "three billion, one hundred twenty-nine million, thirty-three thousand, one hundred nine".