10320691 has 2 divisors, whose sum is σ = 10320692. Its totient is φ = 10320690.

The previous prime is 10320689. The next prime is 10320697. The reversal of 10320691 is 19602301.

10320691 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10320691 - 2¹ = 10320689 is a prime.

Together with 10320689, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (10320697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5160345 + 5160346.

It is an arithmetic number, because the mean of its divisors is an integer number (5160346).

Almost surely, 2^10320691 is an apocalyptic number.

10320691 is a deficient number, since it is larger than the sum of its proper divisors (1).

10320691 is an equidigital number, since it uses as much as digits as its factorization.

10320691 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 10320691 is about 3212.5832284939. The cubic root of 10320691 is about 217.7223058443.

Adding to 10320691 its reverse (19602301), we get a palindrome (29922992).

It can be divided in two parts, 10320 and 691, that added together give a palindrome (11011).

The spelling of 10320691 in words is "ten million, three hundred twenty thousand, six hundred ninety-one".