11312222030 has 32 divisors (see below), whose sum is σ = 20490615360. Its totient is φ = 4496396800.

The previous prime is 11312222027. The next prime is 11312222057. The reversal of 11312222030 is 3022221311.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1073447 + ... + 1083933.

It is an arithmetic number, because the mean of its divisors is an integer number (640331730).

Almost surely, 2^11312222030 is an apocalyptic number.

11312222030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11312222030 is a deficient number, since it is larger than the sum of its proper divisors (9178393330).

11312222030 is a wasteful number, since it uses less digits than its factorization.

11312222030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11164.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 11312222030 its reverse (3022221311), we get a palindrome (14334443341).

The spelling of 11312222030 in words is "eleven billion, three hundred twelve million, two hundred twenty-two thousand, thirty".