2043313121 has 8 divisors (see below), whose sum is σ = 2062907520. Its totient is φ = 2023745472.

The previous prime is 2043313093. The next prime is 2043313159. The reversal of 2043313121 is 1213133402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2043313121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2043313093 and 2043313102.

It is not an unprimeable number, because it can be changed into a prime (2043313021) 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 7 ways as a sum of consecutive naturals, for example, 168500 + ... + 180218.

It is an arithmetic number, because the mean of its divisors is an integer number (257863440).

Almost surely, 2^2043313121 is an apocalyptic number.

It is an amenable number.

2043313121 is a deficient number, since it is larger than the sum of its proper divisors (19594399).

2043313121 is a wasteful number, since it uses less digits than its factorization.

2043313121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13375.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 2043313121 is about 45203.0211490338. The cubic root of 2043313121 is about 1268.9513572821.

Adding to 2043313121 its reverse (1213133402), we get a palindrome (3256446523).

The spelling of 2043313121 in words is "two billion, forty-three million, three hundred thirteen thousand, one hundred twenty-one".