11313203212 has 12 divisors (see below), whose sum is σ = 20840111320. Its totient is φ = 5358885696.

The previous prime is 11313203173. The next prime is 11313203233. The reversal of 11313203212 is 21230231311.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 11313203212.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74428893 + ... + 74429044.

Almost surely, 2^11313203212 is an apocalyptic number.

It is an amenable number.

11313203212 is a deficient number, since it is larger than the sum of its proper divisors (9526908108).

11313203212 is a wasteful number, since it uses less digits than its factorization.

11313203212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148857960 (or 148857958 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 11313203212 its reverse (21230231311), we get a palindrome (32543434523).

The spelling of 11313203212 in words is "eleven billion, three hundred thirteen million, two hundred three thousand, two hundred twelve".