2043115321 has 32 divisors (see below), whose sum is σ = 2330568576. Its totient is φ = 1778112000.

The previous prime is 2043115303. The next prime is 2043115331. The reversal of 2043115321 is 1235113402.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2043115321 - 2⁹ = 2043114809 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2043115292 and 2043115301.

It is not an unprimeable number, because it can be changed into a prime (2043115331) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4160886 + ... + 4161376.

It is an arithmetic number, because the mean of its divisors is an integer number (72830268).

Almost surely, 2^2043115321 is an apocalyptic number.

It is an amenable number.

2043115321 is a deficient number, since it is larger than the sum of its proper divisors (287453255).

2043115321 is a wasteful number, since it uses less digits than its factorization.

2043115321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 793.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 2043115321 is about 45200.8331892234. The cubic root of 2043115321 is about 1268.9104096212.

Adding to 2043115321 its reverse (1235113402), we get a palindrome (3278228723).

The spelling of 2043115321 in words is "two billion, forty-three million, one hundred fifteen thousand, three hundred twenty-one".