3121324231213 has 16 divisors (see below), whose sum is σ = 3188646838656. Its totient is φ = 3054686273280.

The previous prime is 3121324231183. The next prime is 3121324231217.

3121324231213 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 3121324231213 - 2⁹ = 3121324230701 is a prime.

It is a super-3 number, since 3×3121324231213³ (a number of 38 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3121324231217) 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, 21961368 + ... + 22103038.

It is an arithmetic number, because the mean of its divisors is an integer number (199290427416).

Almost surely, 2^{3121324231213} is an apocalyptic number.

It is an amenable number.

3121324231213 is a deficient number, since it is larger than the sum of its proper divisors (67322607443).

3121324231213 is a wasteful number, since it uses less digits than its factorization.

3121324231213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144084.

The product of its digits is 5184, while the sum is 28.

The spelling of 3121324231213 in words is "three trillion, one hundred twenty-one billion, three hundred twenty-four million, two hundred thirty-one thousand, two hundred thirteen".