2043505231 has 8 divisors (see below), whose sum is σ = 2103981264. Its totient is φ = 1983535680.

The previous prime is 2043505207. The next prime is 2043505253. The reversal of 2043505231 is 1325053402.

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

It is a cyclic number.

It is not a de Polignac number, because 2043505231 - 2⁹ = 2043504719 is a prime.

It is a super-2 number, since 2×2043505231² = 8351827258248726722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2043505196 and 2043505205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2043505201) 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, 118425 + ... + 134578.

It is an arithmetic number, because the mean of its divisors is an integer number (262997658).

Almost surely, 2^2043505231 is an apocalyptic number.

2043505231 is a deficient number, since it is larger than the sum of its proper divisors (60476033).

2043505231 is a wasteful number, since it uses less digits than its factorization.

2043505231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253241.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 2043505231 is about 45205.1460676769. The cubic root of 2043505231 is about 1268.9911244953.

Adding to 2043505231 its reverse (1325053402), we get a palindrome (3368558633).

The spelling of 2043505231 in words is "two billion, forty-three million, five hundred five thousand, two hundred thirty-one".