11231012003 has 4 divisors (see below), whose sum is σ = 11335974840. Its totient is φ = 11126049168.

The previous prime is 11231011991. The next prime is 11231012027. The reversal of 11231012003 is 30021013211.

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 11231012003 - 2²² = 11226817699 is a prime.

It is a super-2 number, since 2×11231012003² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11231012203) 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, 52481258 + ... + 52481471.

It is an arithmetic number, because the mean of its divisors is an integer number (2833993710).

Almost surely, 2^11231012003 is an apocalyptic number.

11231012003 is a deficient number, since it is larger than the sum of its proper divisors (104962837).

11231012003 is a wasteful number, since it uses less digits than its factorization.

11231012003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104962836.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 11231012003 its reverse (30021013211), we get a palindrome (41252025214).

The spelling of 11231012003 in words is "eleven billion, two hundred thirty-one million, twelve thousand, three".