11431142303 has 8 divisors (see below), whose sum is σ = 13066519680. Its totient is φ = 9796354200.

The previous prime is 11431142293. The next prime is 11431142339. The reversal of 11431142303 is 30324113411.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11431142303 is a prime.

It is a super-2 number, since 2×11431142303² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11431142803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104933 + ... + 184046.

It is an arithmetic number, because the mean of its divisors is an integer number (1633314960).

Almost surely, 2^11431142303 is an apocalyptic number.

11431142303 is a deficient number, since it is larger than the sum of its proper divisors (1635377377).

11431142303 is an equidigital number, since it uses as much as digits as its factorization.

11431142303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294637.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 11431142303 its reverse (30324113411), we get a palindrome (41755255714).

The spelling of 11431142303 in words is "eleven billion, four hundred thirty-one million, one hundred forty-two thousand, three hundred three".