3123040013 has 8 divisors (see below), whose sum is σ = 3290284800. Its totient is φ = 2956082688.

The previous prime is 3123040003. The next prime is 3123040021. The reversal of 3123040013 is 3100403213.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3123040013 - 2⁶ = 3123039949 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3123039973 and 3123040000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3123040003) 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 in 7 ways as a sum of consecutive naturals, for example, 49373 + ... + 93186.

It is an arithmetic number, because the mean of its divisors is an integer number (411285600).

Almost surely, 2^3123040013 is an apocalyptic number.

It is an amenable number.

3123040013 is a deficient number, since it is larger than the sum of its proper divisors (167244787).

3123040013 is a wasteful number, since it uses less digits than its factorization.

3123040013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143731.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 3123040013 is about 55884.1660311756. The cubic root of 3123040013 is about 1461.7031498887.

Adding to 3123040013 its reverse (3100403213), we get a palindrome (6223443226).

The spelling of 3123040013 in words is "three billion, one hundred twenty-three million, forty thousand, thirteen".