10510313987 has 4 divisors (see below), whose sum is σ = 10636944360. Its totient is φ = 10383683616.

The previous prime is 10510313981. The next prime is 10510314007. The reversal of 10510313987 is 78931301501.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10510313987 - 2¹⁰ = 10510312963 is a prime.

It is a super-2 number, since 2×10510313987² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10510313987.

It is not an unprimeable number, because it can be changed into a prime (10510313981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63315062 + ... + 63315227.

It is an arithmetic number, because the mean of its divisors is an integer number (2659236090).

Almost surely, 2^10510313987 is an apocalyptic number.

10510313987 is a deficient number, since it is larger than the sum of its proper divisors (126630373).

10510313987 is an equidigital number, since it uses as much as digits as its factorization.

10510313987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126630372.

The product of its (nonzero) digits is 22680, while the sum is 38.

The spelling of 10510313987 in words is "ten billion, five hundred ten million, three hundred thirteen thousand, nine hundred eighty-seven".