11312231130 has 48 divisors (see below), whose sum is σ = 29446241760. Its totient is φ = 3013062624.

The previous prime is 11312231123. The next prime is 11312231159. The reversal of 11312231130 is 3113221311.

11312231130 is a `hidden beast` number, since 11 + 312 + 2 + 311 + 30 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4149 + ... + 150471.

It is an arithmetic number, because the mean of its divisors is an integer number (613463370).

Almost surely, 2^11312231130 is an apocalyptic number.

11312231130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11312231130 is an abundant number, since it is smaller than the sum of its proper divisors (18134010630).

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

11312231130 is a wasteful number, since it uses less digits than its factorization.

11312231130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147195 (or 147192 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 11312231130 its reverse (3113221311), we get a palindrome (14425452441).

The spelling of 11312231130 in words is "eleven billion, three hundred twelve million, two hundred thirty-one thousand, one hundred thirty".