11331002003 has 16 divisors (see below), whose sum is σ = 12491642880. Its totient is φ = 10241933856.

The previous prime is 11331001963. The next prime is 11331002009. The reversal of 11331002003 is 30020013311.

11331002003 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11331002003 - 2¹² = 11330997907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11331002009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 149375 + ... + 212072.

It is an arithmetic number, because the mean of its divisors is an integer number (780727680).

Almost surely, 2^11331002003 is an apocalyptic number.

11331002003 is a deficient number, since it is larger than the sum of its proper divisors (1160640877).

11331002003 is a wasteful number, since it uses less digits than its factorization.

11331002003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361546.

The product of its (nonzero) digits is 54, while the sum is 14.

Adding to 11331002003 its reverse (30020013311), we get a palindrome (41351015314).

The spelling of 11331002003 in words is "eleven billion, three hundred thirty-one million, two thousand, three".