3121042224013 has 16 divisors (see below), whose sum is σ = 3585288389760. Its totient is φ = 2661393905856.

The previous prime is 3121042223917. The next prime is 3121042224067. The reversal of 3121042224013 is 3104222401213.

It is not a de Polignac number, because 3121042224013 - 2¹⁷ = 3121042092941 is a prime.

It is a super-3 number, since 3×3121042224013³ (a number of 38 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3121042254013) 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, 19340103 + ... + 19500811.

It is an arithmetic number, because the mean of its divisors is an integer number (224080524360).

Almost surely, 2^{3121042224013} is an apocalyptic number.

It is an amenable number.

3121042224013 is a deficient number, since it is larger than the sum of its proper divisors (464246165747).

3121042224013 is a wasteful number, since it uses less digits than its factorization.

3121042224013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174996.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 3121042224013 its reverse (3104222401213), we get a palindrome (6225264625226).

The spelling of 3121042224013 in words is "three trillion, one hundred twenty-one billion, forty-two million, two hundred twenty-four thousand, thirteen".