111312312330 has 16 divisors (see below), whose sum is σ = 267149549664. Its totient is φ = 29683283280.

The previous prime is 111312312329. The next prime is 111312312347. The reversal of 111312312330 is 33213213111.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 111312312297 and 111312312306.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1855205176 + ... + 1855205235.

It is an arithmetic number, because the mean of its divisors is an integer number (16696846854).

Almost surely, 2^111312312330 is an apocalyptic number.

111312312330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111312312330 is an abundant number, since it is smaller than the sum of its proper divisors (155837237334).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111312312330 is a wasteful number, since it uses less digits than its factorization.

111312312330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3710410421.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 111312312330 its reverse (33213213111), we get a palindrome (144525525441).

The spelling of 111312312330 in words is "one hundred eleven billion, three hundred twelve million, three hundred twelve thousand, three hundred thirty".