10380731 has 4 divisors (see below), whose sum is σ = 10395000. Its totient is φ = 10366464.

The previous prime is 10380719. The next prime is 10380737. The reversal of 10380731 is 13708301.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10380731 is a prime.

It is a super-2 number, since 2×10380731² = 215519152188722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10380697 and 10380706.

It is not an unprimeable number, because it can be changed into a prime (10380737) 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, 5981 + ... + 7518.

It is an arithmetic number, because the mean of its divisors is an integer number (2598750).

Almost surely, 2^10380731 is an apocalyptic number.

10380731 is a deficient number, since it is larger than the sum of its proper divisors (14269).

10380731 is an equidigital number, since it uses as much as digits as its factorization.

10380731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14268.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 10380731 is about 3221.9141825939. The cubic root of 10380731 is about 218.1436852601.

It can be divided in two parts, 10380 and 731, that added together give a palindrome (11111).

The spelling of 10380731 in words is "ten million, three hundred eighty thousand, seven hundred thirty-one".