11431144303 has 2 divisors, whose sum is σ = 11431144304. Its totient is φ = 11431144302.

The previous prime is 11431144273. The next prime is 11431144337. The reversal of 11431144303 is 30344113411.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11431144303 - 2²¹ = 11429047151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11431147303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5715572151 + 5715572152.

It is an arithmetic number, because the mean of its divisors is an integer number (5715572152).

Almost surely, 2^11431144303 is an apocalyptic number.

11431144303 is a deficient number, since it is larger than the sum of its proper divisors (1).

11431144303 is an equidigital number, since it uses as much as digits as its factorization.

11431144303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 11431144303 its reverse (30344113411), we get a palindrome (41775257714).

The spelling of 11431144303 in words is "eleven billion, four hundred thirty-one million, one hundred forty-four thousand, three hundred three".