113312321430 has 128 divisors (see below), whose sum is σ = 339765166080. Its totient is φ = 23496032640.

The previous prime is 113312321411. The next prime is 113312321431. The reversal of 113312321430 is 34123213311.

It is a self number, because there is not a number n which added to its sum of digits gives 113312321430.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113312321431) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1055287 + ... + 1157693.

It is an arithmetic number, because the mean of its divisors is an integer number (2654415360).

Almost surely, 2^113312321430 is an apocalyptic number.

113312321430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 113312321430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169882583040).

113312321430 is an abundant number, since it is smaller than the sum of its proper divisors (226452844650).

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

113312321430 is a wasteful number, since it uses less digits than its factorization.

113312321430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102914.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 113312321430 its reverse (34123213311), we get a palindrome (147435534741).

The spelling of 113312321430 in words is "one hundred thirteen billion, three hundred twelve million, three hundred twenty-one thousand, four hundred thirty".