11314431243 has 64 divisors (see below), whose sum is σ = 18816675840. Its totient is φ = 6684249600.

The previous prime is 11314431223. The next prime is 11314431253. The reversal of 11314431243 is 34213441311.

It is not a de Polignac number, because 11314431243 - 2⁵ = 11314431211 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (11314431223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 515728 + ... + 537218.

It is an arithmetic number, because the mean of its divisors is an integer number (294010560).

Almost surely, 2^11314431243 is an apocalyptic number.

11314431243 is a deficient number, since it is larger than the sum of its proper divisors (7502244597).

11314431243 is a wasteful number, since it uses less digits than its factorization.

11314431243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21585 (or 21579 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

Adding to 11314431243 its reverse (34213441311), we get a palindrome (45527872554).

The spelling of 11314431243 in words is "eleven billion, three hundred fourteen million, four hundred thirty-one thousand, two hundred forty-three".