2044231213 has 4 divisors (see below), whose sum is σ = 2064471228. Its totient is φ = 2023991200.

The previous prime is 2044231187. The next prime is 2044231247. The reversal of 2044231213 is 3121324402.

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 1850548324 + 193682889 = 43018^2 + 13917^2 .

It is a cyclic number.

It is not a de Polignac number, because 2044231213 - 2²⁵ = 2010676781 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 (2044231313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10119856 + ... + 10120057.

It is an arithmetic number, because the mean of its divisors is an integer number (516117807).

Almost surely, 2^2044231213 is an apocalyptic number.

It is an amenable number.

2044231213 is a deficient number, since it is larger than the sum of its proper divisors (20240015).

2044231213 is a wasteful number, since it uses less digits than its factorization.

2044231213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20240014.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 2044231213 is about 45213.1752147535. The cubic root of 2044231213 is about 1269.1413819426.

Adding to 2044231213 its reverse (3121324402), we get a palindrome (5165555615).

The spelling of 2044231213 in words is "two billion, forty-four million, two hundred thirty-one thousand, two hundred thirteen".