11331231003 has 12 divisors (see below), whose sum is σ = 16387280208. Its totient is φ = 7544947920.

The previous prime is 11331230969. The next prime is 11331231059. The reversal of 11331231003 is 30013213311.

It is a happy number.

It is not a de Polignac number, because 11331231003 - 2¹⁴ = 11331214619 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11331233003) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 759375 + ... + 774152.

It is an arithmetic number, because the mean of its divisors is an integer number (1365606684).

Almost surely, 2^11331231003 is an apocalyptic number.

11331231003 is a deficient number, since it is larger than the sum of its proper divisors (5056049205).

11331231003 is a wasteful number, since it uses less digits than its factorization.

11331231003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1534354 (or 1534351 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 11331231003 its reverse (30013213311), we get a palindrome (41344444314).

The spelling of 11331231003 in words is "eleven billion, three hundred thirty-one million, two hundred thirty-one thousand, three".