2043311320 has 32 divisors (see below), whose sum is σ = 4598914320. Its totient is φ = 817064320.

The previous prime is 2043311317. The next prime is 2043311359. The reversal of 2043311320 is 231133402.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164115 + ... + 176125.

Almost surely, 2^2043311320 is an apocalyptic number.

2043311320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2043311320 is an abundant number, since it is smaller than the sum of its proper divisors (2555603000).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2043311320 is a wasteful number, since it uses less digits than its factorization.

2043311320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16275 (or 16271 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 2043311320 is about 45203.0012277946. The cubic root of 2043311320 is about 1268.9509844591.

Adding to 2043311320 its reverse (231133402), we get a palindrome (2274444722).

The spelling of 2043311320 in words is "two billion, forty-three million, three hundred eleven thousand, three hundred twenty".