2043431051 has 2 divisors, whose sum is σ = 2043431052. Its totient is φ = 2043431050.

The previous prime is 2043431029. The next prime is 2043431087. The reversal of 2043431051 is 1501343402.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2043431051 is a prime.

It is a super-2 number, since 2×2043431051² = 8351220920381929202, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2043431851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1021715525 + 1021715526.

It is an arithmetic number, because the mean of its divisors is an integer number (1021715526).

Almost surely, 2^2043431051 is an apocalyptic number.

2043431051 is a deficient number, since it is larger than the sum of its proper divisors (1).

2043431051 is an equidigital number, since it uses as much as digits as its factorization.

2043431051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 2043431051 is about 45204.3255784222. The cubic root of 2043431051 is about 1268.9757693595.

Adding to 2043431051 its reverse (1501343402), we get a palindrome (3544774453).

The spelling of 2043431051 in words is "two billion, forty-three million, four hundred thirty-one thousand, fifty-one".