11431103345 has 8 divisors (see below), whose sum is σ = 13721641920. Its totient is φ = 9142004080.

The previous prime is 11431103329. The next prime is 11431103347. The reversal of 11431103345 is 54330113411.

11431103345 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11431103345 - 2⁴ = 11431103329 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11431103347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 342275 + ... + 374184.

It is an arithmetic number, because the mean of its divisors is an integer number (1715205240).

Almost surely, 2^11431103345 is an apocalyptic number.

It is an amenable number.

11431103345 is a deficient number, since it is larger than the sum of its proper divisors (2290538575).

11431103345 is an equidigital number, since it uses as much as digits as its factorization.

11431103345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 719655.

The product of its (nonzero) digits is 2160, while the sum is 26.

Adding to 11431103345 its reverse (54330113411), we get a palindrome (65761216756).

The spelling of 11431103345 in words is "eleven billion, four hundred thirty-one million, one hundred three thousand, three hundred forty-five".