3130738209 has 15 divisors (see below), whose sum is σ = 4677534147. Its totient is φ = 2086823088.

The previous prime is 3130738201. The next prime is 3130738223. The reversal of 3130738209 is 9028370313.

It is a happy number.

The square root of 3130738209 is 55953.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 2305440225 + 825297984 = 48015^2 + 28728^2 .

It is not a de Polignac number, because 3130738209 - 2³ = 3130738201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3130738201) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 500469 + ... + 506685.

Almost surely, 2^3130738209 is an apocalyptic number.

3130738209 is the 55953-rd square number.

3130738209 is the 27977-th centered octagonal number.

It is an amenable number.

3130738209 is a deficient number, since it is larger than the sum of its proper divisors (1546795938).

3130738209 is an frugal number, since it uses more digits than its factorization.

3130738209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12446 (or 6220 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The cubic root of 3130738209 is about 1462.9031819373.

Multiplying 3130738209 by its sum of digits (36), we get a square (112706575524 = 335718²).

The spelling of 3130738209 in words is "three billion, one hundred thirty million, seven hundred thirty-eight thousand, two hundred nine".