11312130203 has 12 divisors (see below), whose sum is σ = 12469153032. Its totient is φ = 10177643520.

The previous prime is 11312130197. The next prime is 11312130329. The reversal of 11312130203 is 30203121311.

It is not a de Polignac number, because 11312130203 - 2¹² = 11312126107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11312130103) 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, 48851 + ... + 158147.

It is an arithmetic number, because the mean of its divisors is an integer number (1039096086).

Almost surely, 2^11312130203 is an apocalyptic number.

11312130203 is a deficient number, since it is larger than the sum of its proper divisors (1157022829).

11312130203 is an equidigital number, since it uses as much as digits as its factorization.

11312130203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109502 (or 109405 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 11312130203 its reverse (30203121311), we get a palindrome (41515251514).

The spelling of 11312130203 in words is "eleven billion, three hundred twelve million, one hundred thirty thousand, two hundred three".