10404303391 has 4 divisors (see below), whose sum is σ = 10856664432. Its totient is φ = 9951942352.

The previous prime is 10404303367. The next prime is 10404303419. The reversal of 10404303391 is 19330340401.

10404303391 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 19330340401 = 10271 ⋅1882031.

It is a cyclic number.

It is not a de Polignac number, because 10404303391 - 2¹⁷ = 10404172319 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10404303691) 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, 226180486 + ... + 226180531.

It is an arithmetic number, because the mean of its divisors is an integer number (2714166108).

Almost surely, 2^10404303391 is an apocalyptic number.

10404303391 is a deficient number, since it is larger than the sum of its proper divisors (452361041).

10404303391 is an equidigital number, since it uses as much as digits as its factorization.

10404303391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452361040.

The product of its (nonzero) digits is 3888, while the sum is 28.

Adding to 10404303391 its reverse (19330340401), we get a palindrome (29734643792).

The spelling of 10404303391 in words is "ten billion, four hundred four million, three hundred three thousand, three hundred ninety-one".