2031013 has 4 divisors (see below), whose sum is σ = 2069388. Its totient is φ = 1992640.

The previous prime is 2030999. The next prime is 2031023. The reversal of 2031013 is 3101302.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1361889 + 669124 = 1167^2 + 818^2 .

It is a cyclic number.

It is not a de Polignac number, because 2031013 - 2⁵ = 2030981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2031023) 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, 19108 + ... + 19213.

It is an arithmetic number, because the mean of its divisors is an integer number (517347).

2^2031013 is an apocalyptic number.

It is an amenable number.

2031013 is a deficient number, since it is larger than the sum of its proper divisors (38375).

2031013 is an equidigital number, since it uses as much as digits as its factorization.

2031013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38374.

The product of its (nonzero) digits is 18, while the sum is 10.

The square root of 2031013 is about 1425.1361338483. The cubic root of 2031013 is about 126.6399997725.

Adding to 2031013 its reverse (3101302), we get a palindrome (5132315).

The spelling of 2031013 in words is "two million, thirty-one thousand, thirteen".