2013034021 has 4 divisors (see below), whose sum is σ = 2118983200. Its totient is φ = 1907084844.

The previous prime is 2013034019. The next prime is 2013034033. The reversal of 2013034021 is 1204303102.

It is a happy number.

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 not a de Polignac number, because 2013034021 - 2¹ = 2013034019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2013033986 and 2013034004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2013034081) 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, 52974561 + ... + 52974598.

It is an arithmetic number, because the mean of its divisors is an integer number (529745800).

Almost surely, 2^2013034021 is an apocalyptic number.

It is an amenable number.

2013034021 is a deficient number, since it is larger than the sum of its proper divisors (105949179).

2013034021 is a wasteful number, since it uses less digits than its factorization.

2013034021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105949178.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2013034021 is about 44866.8476828939. The cubic root of 2013034021 is about 1262.6520986050.

Adding to 2013034021 its reverse (1204303102), we get a palindrome (3217337123).

The spelling of 2013034021 in words is "two billion, thirteen million, thirty-four thousand, twenty-one".