10331319987 has 16 divisors (see below), whose sum is σ = 15307344000. Its totient is φ = 6886788552.

The previous prime is 10331319949. The next prime is 10331319989. The reversal of 10331319987 is 78991313301.

It is not a de Polignac number, because 10331319987 - 2⁶ = 10331319923 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10331319989) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 343564 + ... + 372422.

It is an arithmetic number, because the mean of its divisors is an integer number (956709000).

Almost surely, 2^10331319987 is an apocalyptic number.

10331319987 is a deficient number, since it is larger than the sum of its proper divisors (4976024013).

10331319987 is a wasteful number, since it uses less digits than its factorization.

10331319987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42127 (or 42121 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 45.

The spelling of 10331319987 in words is "ten billion, three hundred thirty-one million, three hundred nineteen thousand, nine hundred eighty-seven".