113133121320 has 64 divisors (see below), whose sum is σ = 339958725120. Its totient is φ = 30119111424.

The previous prime is 113133121307. The next prime is 113133121391. The reversal of 113133121320 is 23121331311.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 703747 + ... + 849426.

It is an arithmetic number, because the mean of its divisors is an integer number (5311855080).

Almost surely, 2^113133121320 is an apocalyptic number.

113133121320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113133121320 is an abundant number, since it is smaller than the sum of its proper divisors (226825603800).

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

113133121320 is a wasteful number, since it uses less digits than its factorization.

113133121320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1553794 (or 1553790 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 113133121320 its reverse (23121331311), we get a palindrome (136254452631).

The spelling of 113133121320 in words is "one hundred thirteen billion, one hundred thirty-three million, one hundred twenty-one thousand, three hundred twenty".