2043431031 has 16 divisors (see below), whose sum is σ = 2823068160. Its totient is φ = 1313192160.

The previous prime is 2043431029. The next prime is 2043431051. The reversal of 2043431031 is 1301343402.

It is not a de Polignac number, because 2043431031 - 2¹ = 2043431029 is a prime.

It is a super-2 number, since 2×2043431031² = 8351220756907445922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2043430989 and 2043431007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2043431051) 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 15 ways as a sum of consecutive naturals, for example, 36286 + ... + 73508.

It is an arithmetic number, because the mean of its divisors is an integer number (176441760).

Almost surely, 2^2043431031 is an apocalyptic number.

2043431031 is a deficient number, since it is larger than the sum of its proper divisors (779637129).

2043431031 is a wasteful number, since it uses less digits than its factorization.

2043431031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37886.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 2043431031 is about 45204.3253572045. The cubic root of 2043431031 is about 1268.9757652195.

Adding to 2043431031 its reverse (1301343402), we get a palindrome (3344774433).

The spelling of 2043431031 in words is "two billion, forty-three million, four hundred thirty-one thousand, thirty-one".