3123204013 has 2 divisors, whose sum is σ = 3123204014. Its totient is φ = 3123204012.

The previous prime is 3123203989. The next prime is 3123204031. The reversal of 3123204013 is 3104023213.

Together with next prime (3123204031) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2501300169 + 621903844 = 50013^2 + 24938^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3123204013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3123204053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1561602006 + 1561602007.

It is an arithmetic number, because the mean of its divisors is an integer number (1561602007).

Almost surely, 2^3123204013 is an apocalyptic number.

It is an amenable number.

3123204013 is a deficient number, since it is larger than the sum of its proper divisors (1).

3123204013 is an equidigital number, since it uses as much as digits as its factorization.

3123204013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 3123204013 is about 55885.6333327269. The cubic root of 3123204013 is about 1461.7287355487.

Adding to 3123204013 its reverse (3104023213), we get a palindrome (6227227226).

The spelling of 3123204013 in words is "three billion, one hundred twenty-three million, two hundred four thousand, thirteen".