3129050900 has 18 divisors (see below), whose sum is σ = 6790040670. Its totient is φ = 1251620320.

The previous prime is 3129050887. The next prime is 3129050989. The reversal of 3129050900 is 90509213.

It can be written as a sum of positive squares in 3 ways, for example, as 422138116 + 2706912784 = 20546^2 + 52028^2 .

It is a congruent number.

It is an unprimeable number.

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 in 5 ways as a sum of consecutive naturals, for example, 15645155 + ... + 15645354.

Almost surely, 2^3129050900 is an apocalyptic number.

It is an amenable number.

3129050900 is an abundant number, since it is smaller than the sum of its proper divisors (3660989770).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3129050900 is a wasteful number, since it uses less digits than its factorization.

3129050900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31290523 (or 31290516 counting only the distinct ones).

The product of its (nonzero) digits is 2430, while the sum is 29.

The square root of 3129050900 is about 55937.9200542888. The cubic root of 3129050900 is about 1462.6403245199.

The spelling of 3129050900 in words is "three billion, one hundred twenty-nine million, fifty thousand, nine hundred".