111305130 has 16 divisors (see below), whose sum is σ = 267132384. Its totient is φ = 29681360.

The previous prime is 111305123. The next prime is 111305147. The reversal of 111305130 is 31503111.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 1855056 + ... + 1855115.

It is an arithmetic number, because the mean of its divisors is an integer number (16695774).

Almost surely, 2^111305130 is an apocalyptic number.

111305130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111305130 is an abundant number, since it is smaller than the sum of its proper divisors (155827254).

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

111305130 is a wasteful number, since it uses less digits than its factorization.

111305130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3710181.

The product of its (nonzero) digits is 45, while the sum is 15.

The square root of 111305130 is about 10550.1246438135. The cubic root of 111305130 is about 481.0295177129.

Adding to 111305130 its reverse (31503111), we get a palindrome (142808241).

The spelling of 111305130 in words is "one hundred eleven million, three hundred five thousand, one hundred thirty".