3131052509 has 16 divisors (see below), whose sum is σ = 3432706368. Its totient is φ = 2838350592.

The previous prime is 3131052481. The next prime is 3131052527. The reversal of 3131052509 is 9052501313.

It is a cyclic number.

It is not a de Polignac number, because 3131052509 - 2¹² = 3131048413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3131052569) 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, 288194 + ... + 298860.

It is an arithmetic number, because the mean of its divisors is an integer number (214544148).

Almost surely, 2^3131052509 is an apocalyptic number.

It is an amenable number.

3131052509 is a deficient number, since it is larger than the sum of its proper divisors (301653859).

3131052509 is a wasteful number, since it uses less digits than its factorization.

3131052509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11084.

The product of its (nonzero) digits is 4050, while the sum is 29.

The square root of 3131052509 is about 55955.8085367373. The cubic root of 3131052509 is about 1462.9521347245.

The spelling of 3131052509 in words is "three billion, one hundred thirty-one million, fifty-two thousand, five hundred nine".