2103231287 has 2 divisors, whose sum is σ = 2103231288. Its totient is φ = 2103231286.

The previous prime is 2103231259. The next prime is 2103231311. The reversal of 2103231287 is 7821323012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2103231287 - 2⁶ = 2103231223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2103231227) 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 as a sum of consecutive naturals, namely, 1051615643 + 1051615644.

It is an arithmetic number, because the mean of its divisors is an integer number (1051615644).

Almost surely, 2^2103231287 is an apocalyptic number.

2103231287 is a deficient number, since it is larger than the sum of its proper divisors (1).

2103231287 is an equidigital number, since it uses as much as digits as its factorization.

2103231287 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 2103231287 is about 45860.9996293147. Note that the first 3 decimals coincide. The cubic root of 2103231287 is about 1281.2356409035.

Adding to 2103231287 its reverse (7821323012), we get a palindrome (9924554299).

The spelling of 2103231287 in words is "two billion, one hundred three million, two hundred thirty-one thousand, two hundred eighty-seven".