11312201003 has 4 divisors (see below), whose sum is σ = 11312413728. Its totient is φ = 11311988280.

The previous prime is 11312200993. The next prime is 11312201011. The reversal of 11312201003 is 30010221311.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 11312201003 - 2⁴ = 11312200987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11312201083) 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, 51950 + ... + 159132.

It is an arithmetic number, because the mean of its divisors is an integer number (2828103432).

Almost surely, 2^11312201003 is an apocalyptic number.

11312201003 is a deficient number, since it is larger than the sum of its proper divisors (212725).

11312201003 is a wasteful number, since it uses less digits than its factorization.

11312201003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212724.

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

Adding to 11312201003 its reverse (30010221311), we get a palindrome (41322422314).

The spelling of 11312201003 in words is "eleven billion, three hundred twelve million, two hundred one thousand, three".