3129799107 has 4 divisors (see below), whose sum is σ = 4173065480. Its totient is φ = 2086532736.

The previous prime is 3129799039. The next prime is 3129799117. The reversal of 3129799107 is 7019979213.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 3129799107 - 2²³ = 3121410499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3129799117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 521633182 + ... + 521633187.

It is an arithmetic number, because the mean of its divisors is an integer number (1043266370).

Almost surely, 2^3129799107 is an apocalyptic number.

3129799107 is a deficient number, since it is larger than the sum of its proper divisors (1043266373).

3129799107 is a wasteful number, since it uses less digits than its factorization.

3129799107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1043266372.

The product of its (nonzero) digits is 214326, while the sum is 48.

The square root of 3129799107 is about 55944.6074881217. The cubic root of 3129799107 is about 1462.7568955985.

The spelling of 3129799107 in words is "three billion, one hundred twenty-nine million, seven hundred ninety-nine thousand, one hundred seven".