10387331 has 4 divisors (see below), whose sum is σ = 10462200. Its totient is φ = 10312464.

The previous prime is 10387327. The next prime is 10387339. The reversal of 10387331 is 13378301.

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 10387331 - 2² = 10387327 is a prime.

It is a super-2 number, since 2×10387331² = 215793290607122, which 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 10387331.

It is not an unprimeable number, because it can be changed into a prime (10387339) 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, 37226 + ... + 37503.

It is an arithmetic number, because the mean of its divisors is an integer number (2615550).

Almost surely, 2^10387331 is an apocalyptic number.

10387331 is a deficient number, since it is larger than the sum of its proper divisors (74869).

10387331 is an equidigital number, since it uses as much as digits as its factorization.

10387331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74868.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 10387331 is about 3222.9382556915. The cubic root of 10387331 is about 218.1899069024.

The spelling of 10387331 in words is "ten million, three hundred eighty-seven thousand, three hundred thirty-one".