2102040013 has 8 divisors (see below), whose sum is σ = 2119913856. Its totient is φ = 2084227200.

The previous prime is 2102039969. The next prime is 2102040019. The reversal of 2102040013 is 3100402012.

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 2102040013 - 2¹³ = 2102031821 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2102039975 and 2102040002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102040019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55293 + ... + 85213.

It is an arithmetic number, because the mean of its divisors is an integer number (264989232).

Almost surely, 2^2102040013 is an apocalyptic number.

It is an amenable number.

2102040013 is a deficient number, since it is larger than the sum of its proper divisors (17873843).

2102040013 is a wasteful number, since it uses less digits than its factorization.

2102040013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30515.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 2102040013 is about 45848.0099131903. The cubic root of 2102040013 is about 1280.9936971582.

Adding to 2102040013 its reverse (3100402012), we get a palindrome (5202442025).

The spelling of 2102040013 in words is "two billion, one hundred two million, forty thousand, thirteen".