113003331220 has 48 divisors (see below), whose sum is σ = 256293853200. Its totient is φ = 41604719616.

The previous prime is 113003331211. The next prime is 113003331223. The reversal of 113003331220 is 22133300311.

It can be written as a sum of positive squares in 8 ways, for example, as 1862440336 + 111140890884 = 43156^2 + 333378^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113003331223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 531937 + ... + 713416.

It is an arithmetic number, because the mean of its divisors is an integer number (5339455275).

Almost surely, 2^113003331220 is an apocalyptic number.

113003331220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113003331220 is an abundant number, since it is smaller than the sum of its proper divisors (143290521980).

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

113003331220 is a wasteful number, since it uses less digits than its factorization.

113003331220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1245724 (or 1245722 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 113003331220 its reverse (22133300311), we get a palindrome (135136631531).

The spelling of 113003331220 in words is "one hundred thirteen billion, three million, three hundred thirty-one thousand, two hundred twenty".