3013100021 has 4 divisors (see below), whose sum is σ = 3013271712. Its totient is φ = 3012928332.

The previous prime is 3013100011. The next prime is 3013100033. The reversal of 3013100021 is 1200013103.

3013100021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3013100021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3013099975 and 3013100011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3013100011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56081 + ... + 95766.

It is an arithmetic number, because the mean of its divisors is an integer number (753317928).

Almost surely, 2^3013100021 is an apocalyptic number.

It is an amenable number.

3013100021 is a deficient number, since it is larger than the sum of its proper divisors (171691).

3013100021 is a wasteful number, since it uses less digits than its factorization.

3013100021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171690.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 3013100021 is about 54891.7117696288. The cubic root of 3013100021 is about 1444.3457998182.

Adding to 3013100021 its reverse (1200013103), we get a palindrome (4213113124).

The spelling of 3013100021 in words is "three billion, thirteen million, one hundred thousand, twenty-one".