3130008309 has 18 divisors (see below), whose sum is σ = 4678374870. Its totient is φ = 2014136208.

The previous prime is 3130008289. The next prime is 3130008331. The reversal of 3130008309 is 9038000313.

It can be written as a sum of positive squares in only one way, i.e., 2698283025 + 431725284 = 51945^2 + 20778^2 .

It is not a de Polignac number, because 3130008309 - 2²⁰ = 3128959733 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3130008389) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 902112 + ... + 905574.

It is an arithmetic number, because the mean of its divisors is an integer number (259909715).

Almost surely, 2^3130008309 is an apocalyptic number.

It is an amenable number.

3130008309 is a deficient number, since it is larger than the sum of its proper divisors (1548366561).

3130008309 is an frugal number, since it uses more digits than its factorization.

3130008309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6961 (or 3495 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 3130008309 is about 55946.4771813204. The cubic root of 3130008309 is about 1462.7894860662.

The spelling of 3130008309 in words is "three billion, one hundred thirty million, eight thousand, three hundred nine".