2231013 has 4 divisors (see below), whose sum is σ = 2974688. Its totient is φ = 1487340.

The previous prime is 2231011. The next prime is 2231027. The reversal of 2231013 is 3101322.

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 not a de Polignac number, because 2231013 - 2¹ = 2231011 is a prime.

It is a super-3 number, since 3×2231013³ = 33314059527630357591, which contains 333 as substring.

It is a D-number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2231013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2231011) 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, 371833 + ... + 371838.

It is an arithmetic number, because the mean of its divisors is an integer number (743672).

2^2231013 is an apocalyptic number.

It is an amenable number.

2231013 is a deficient number, since it is larger than the sum of its proper divisors (743675).

2231013 is an equidigital number, since it uses as much as digits as its factorization.

2231013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 743674.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 2231013 is about 1493.6575912839. The cubic root of 2231013 is about 130.6674352944.

Adding to 2231013 its reverse (3101322), we get a palindrome (5332335).

It can be divided in two parts, 22 and 31013, that multiplied together give a palindrome (682286).

The spelling of 2231013 in words is "two million, two hundred thirty-one thousand, thirteen".