2013032021 has 16 divisors (see below), whose sum is σ = 2702813568. Its totient is φ = 1447934400.

The previous prime is 2013031961. The next prime is 2013032023. The reversal of 2013032021 is 1202303102.

It is a happy number.

It is not a de Polignac number, because 2013032021 - 2²⁶ = 1945923157 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2013031987 and 2013032005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2013032023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1004510 + ... + 1006511.

It is an arithmetic number, because the mean of its divisors is an integer number (168925848).

Almost surely, 2^2013032021 is an apocalyptic number.

It is an amenable number.

2013032021 is a deficient number, since it is larger than the sum of its proper divisors (689781547).

2013032021 is a wasteful number, since it uses less digits than its factorization.

2013032021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2011052.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 2013032021 is about 44866.8253947168. The cubic root of 2013032021 is about 1262.6516804460.

Adding to 2013032021 its reverse (1202303102), we get a palindrome (3215335123).

The spelling of 2013032021 in words is "two billion, thirteen million, thirty-two thousand, twenty-one".