113321312010 has 128 divisors (see below), whose sum is σ = 320438073600. Its totient is φ = 28399472640.

The previous prime is 113321311981. The next prime is 113321312059. The reversal of 113321312010 is 10213123311.

113321312010 is a `hidden beast` number, since 1 + 1 + 332 + 131 + 201 + 0 = 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 63 ways as a sum of consecutive naturals, for example, 3153826 + ... + 3189554.

It is an arithmetic number, because the mean of its divisors is an integer number (2503422450).

Almost surely, 2^113321312010 is an apocalyptic number.

113321312010 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 113321312010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160219036800).

113321312010 is an abundant number, since it is smaller than the sum of its proper divisors (207116761590).

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

113321312010 is a wasteful number, since it uses less digits than its factorization.

113321312010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36453 (or 36447 counting only the distinct ones).

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

Adding to 113321312010 its reverse (10213123311), we get a palindrome (123534435321).

The spelling of 113321312010 in words is "one hundred thirteen billion, three hundred twenty-one million, three hundred twelve thousand, ten".