3131734814209 has 4 divisors (see below), whose sum is σ = 3131875002816. Its totient is φ = 3131594625604.

The previous prime is 3131734814203. The next prime is 3131734814233. The reversal of 3131734814209 is 9024184371313.

3131734814209 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3131734814209 - 2²⁹ = 3131197943297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3131734814203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70060789 + ... + 70105474.

It is an arithmetic number, because the mean of its divisors is an integer number (782968750704).

Almost surely, 2^{3131734814209} is an apocalyptic number.

It is an amenable number.

3131734814209 is a deficient number, since it is larger than the sum of its proper divisors (140188607).

3131734814209 is a wasteful number, since it uses less digits than its factorization.

3131734814209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140188606.

The product of its (nonzero) digits is 435456, while the sum is 46.

The spelling of 3131734814209 in words is "three trillion, one hundred thirty-one billion, seven hundred thirty-four million, eight hundred fourteen thousand, two hundred nine".