11131010003 has 4 divisors (see below), whose sum is σ = 11131623360. Its totient is φ = 11130396648.

The previous prime is 11131009993. The next prime is 11131010029. The reversal of 11131010003 is 30001013111.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11131010003 - 2²⁶ = 11063901139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11131010903) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 278600 + ... + 316037.

It is an arithmetic number, because the mean of its divisors is an integer number (2782905840).

Almost surely, 2^11131010003 is an apocalyptic number.

11131010003 is a deficient number, since it is larger than the sum of its proper divisors (613357).

11131010003 is an equidigital number, since it uses as much as digits as its factorization.

11131010003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 613356.

The product of its (nonzero) digits is 9, while the sum is 11.

Adding to 11131010003 its reverse (30001013111), we get a palindrome (41132023114).

The spelling of 11131010003 in words is "eleven billion, one hundred thirty-one million, ten thousand, three".