3123032001013 has 4 divisors (see below), whose sum is σ = 3123057798508. Its totient is φ = 3123006203520.

The previous prime is 3123032000993. The next prime is 3123032001071. The reversal of 3123032001013 is 3101002303213.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2528169960484 + 594862040529 = 1590022^2 + 771273^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3123032001013 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 (3123032007013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12716298 + ... + 12959563.

It is an arithmetic number, because the mean of its divisors is an integer number (780764449627).

Almost surely, 2^{3123032001013} is an apocalyptic number.

It is an amenable number.

3123032001013 is a deficient number, since it is larger than the sum of its proper divisors (25797495).

3123032001013 is a wasteful number, since it uses less digits than its factorization.

3123032001013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25797494.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 3123032001013 its reverse (3101002303213), we get a palindrome (6224034304226).

The spelling of 3123032001013 in words is "three trillion, one hundred twenty-three billion, thirty-two million, one thousand, thirteen".