3121113321309 has 8 divisors (see below), whose sum is σ = 4183046524672. Its totient is φ = 2069961166080.

The previous prime is 3121113321289. The next prime is 3121113321329. The reversal of 3121113321309 is 9031233111213.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3121113321289) and next prime (3121113321329).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3121113321309 - 2⁷ = 3121113321181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3121113321329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2695261357 + ... + 2695262514.

It is an arithmetic number, because the mean of its divisors is an integer number (522880815584).

Almost surely, 2^{3121113321309} is an apocalyptic number.

It is an amenable number.

3121113321309 is a deficient number, since it is larger than the sum of its proper divisors (1061933203363).

3121113321309 is a wasteful number, since it uses less digits than its factorization.

3121113321309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5390524067.

The product of its (nonzero) digits is 2916, while the sum is 30.

The spelling of 3121113321309 in words is "three trillion, one hundred twenty-one billion, one hundred thirteen million, three hundred twenty-one thousand, three hundred nine".