113133131020 has 192 divisors, whose sum is σ = 309940162560. Its totient is φ = 33662251008.

The previous prime is 113133131017. The next prime is 113133131047. The reversal of 113133131020 is 20131331311.

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, 46006551 + ... + 46009009.

It is an arithmetic number, because the mean of its divisors is an integer number (1614271680).

Almost surely, 2^113133131020 is an apocalyptic number.

113133131020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 113133131020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154970081280).

113133131020 is an abundant number, since it is smaller than the sum of its proper divisors (196807031540).

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

113133131020 is a wasteful number, since it uses less digits than its factorization.

113133131020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3992 (or 3990 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 113133131020 its reverse (20131331311), we get a palindrome (133264462331).

The spelling of 113133131020 in words is "one hundred thirteen billion, one hundred thirty-three million, one hundred thirty-one thousand, twenty".