3131480209 has 16 divisors (see below), whose sum is σ = 3695186880. Its totient is φ = 2616212160.

The previous prime is 3131480207. The next prime is 3131480239. The reversal of 3131480209 is 9020841313.

It is a cyclic number.

It is not a de Polignac number, because 3131480209 - 2¹ = 3131480207 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3131480207) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15774 + ... + 80695.

It is an arithmetic number, because the mean of its divisors is an integer number (230949180).

Almost surely, 2^3131480209 is an apocalyptic number.

It is an amenable number.

3131480209 is a deficient number, since it is larger than the sum of its proper divisors (563706671).

3131480209 is a wasteful number, since it uses less digits than its factorization.

3131480209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96720.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 3131480209 is about 55959.6301721160. The cubic root of 3131480209 is about 1463.0187445028.

The spelling of 3131480209 in words is "three billion, one hundred thirty-one million, four hundred eighty thousand, two hundred nine".