2043355231 has 4 divisors (see below), whose sum is σ = 2047731192. Its totient is φ = 2038979272.

The previous prime is 2043355217. The next prime is 2043355241. The reversal of 2043355231 is 1325533402.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2043355231 is a prime.

It is a super-2 number, since 2×2043355231² = 8350601200110126722, which contains 22 as substring.

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 2043355231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2043355241) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2187280 + ... + 2188213.

It is an arithmetic number, because the mean of its divisors is an integer number (511932798).

Almost surely, 2^2043355231 is an apocalyptic number.

2043355231 is a deficient number, since it is larger than the sum of its proper divisors (4375961).

2043355231 is an equidigital number, since it uses as much as digits as its factorization.

2043355231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4375960.

The product of its (nonzero) digits is 10800, while the sum is 28.

The square root of 2043355231 is about 45203.4869340851. The cubic root of 2043355231 is about 1268.9600743625.

Adding to 2043355231 its reverse (1325533402), we get a palindrome (3368888633).

The spelling of 2043355231 in words is "two billion, forty-three million, three hundred fifty-five thousand, two hundred thirty-one".