2043311231 has 6 divisors (see below), whose sum is σ = 2212579800. Its totient is φ = 1886133288.

The previous prime is 2043311189. The next prime is 2043311233. The reversal of 2043311231 is 1321133402.

It is not a de Polignac number, because 2043311231 - 2¹⁸ = 2043049087 is a prime.

It is a super-2 number, since 2×2043311231² = 8350241573461470722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2043311233) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6045131 + ... + 6045468.

It is an arithmetic number, because the mean of its divisors is an integer number (368763300).

Almost surely, 2^2043311231 is an apocalyptic number.

2043311231 is a deficient number, since it is larger than the sum of its proper divisors (169268569).

2043311231 is a wasteful number, since it uses less digits than its factorization.

2043311231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12090625 (or 12090612 counting only the distinct ones).

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

The square root of 2043311231 is about 45203.0002433467. Note that the first 3 decimals coincide. The cubic root of 2043311231 is about 1268.9509660353.

Adding to 2043311231 its reverse (1321133402), we get a palindrome (3364444633).

The spelling of 2043311231 in words is "two billion, forty-three million, three hundred eleven thousand, two hundred thirty-one".