11131231303 has 2 divisors, whose sum is σ = 11131231304. Its totient is φ = 11131231302.

The previous prime is 11131231297. The next prime is 11131231351. The reversal of 11131231303 is 30313213111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11131231303 - 2¹³ = 11131223111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11131231373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5565615651 + 5565615652.

It is an arithmetic number, because the mean of its divisors is an integer number (5565615652).

Almost surely, 2^11131231303 is an apocalyptic number.

11131231303 is a deficient number, since it is larger than the sum of its proper divisors (1).

11131231303 is an equidigital number, since it uses as much as digits as its factorization.

11131231303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 11131231303 its reverse (30313213111), we get a palindrome (41444444414).

The spelling of 11131231303 in words is "eleven billion, one hundred thirty-one million, two hundred thirty-one thousand, three hundred three".