3123113020013 has 32 divisors (see below), whose sum is σ = 3918049470720. Its totient is φ = 2428420055040.

The previous prime is 3123113019991. The next prime is 3123113020019. The reversal of 3123113020013 is 3100203113213.

It is not a de Polignac number, because 3123113020013 - 2¹⁰ = 3123113018989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3123113020019) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3451148 + ... + 4261061.

It is an arithmetic number, because the mean of its divisors is an integer number (122439045960).

Almost surely, 2^{3123113020013} is an apocalyptic number.

It is an amenable number.

3123113020013 is a deficient number, since it is larger than the sum of its proper divisors (794936450707).

3123113020013 is a wasteful number, since it uses less digits than its factorization.

3123113020013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7712357.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 3123113020013 its reverse (3100203113213), we get a palindrome (6223316133226).

The spelling of 3123113020013 in words is "three trillion, one hundred twenty-three billion, one hundred thirteen million, twenty thousand, thirteen".