2431043387 has 2 divisors, whose sum is σ = 2431043388. Its totient is φ = 2431043386.

The previous prime is 2431043383. The next prime is 2431043423. The reversal of 2431043387 is 7833401342.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2431043387 - 2² = 2431043383 is a prime.

It is not a weakly prime, because it can be changed into another prime (2431043383) 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 as a sum of consecutive naturals, namely, 1215521693 + 1215521694.

It is an arithmetic number, because the mean of its divisors is an integer number (1215521694).

Almost surely, 2^2431043387 is an apocalyptic number.

2431043387 is a deficient number, since it is larger than the sum of its proper divisors (1).

2431043387 is an equidigital number, since it uses as much as digits as its factorization.

2431043387 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48384, while the sum is 35.

The square root of 2431043387 is about 49305.6121247876. The cubic root of 2431043387 is about 1344.6138178100.

The spelling of 2431043387 in words is "two billion, four hundred thirty-one million, forty-three thousand, three hundred eighty-seven".