113131302536 has 192 divisors, whose sum is σ = 258514529280. Its totient is φ = 45413498880.

The previous prime is 113131302511. The next prime is 113131302589. The reversal of 113131302536 is 635203131311.

It is a super-2 number, since 2×113131302536² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 113131302499 and 113131302508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 586172456 + ... + 586172648.

It is an arithmetic number, because the mean of its divisors is an integer number (1346429840).

Almost surely, 2^113131302536 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 113131302536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129257264640).

113131302536 is an abundant number, since it is smaller than the sum of its proper divisors (145383226744).

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

113131302536 is a wasteful number, since it uses less digits than its factorization.

113131302536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452 (or 389 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 29.

Adding to 113131302536 its reverse (635203131311), we get a palindrome (748334433847).

The spelling of 113131302536 in words is "one hundred thirteen billion, one hundred thirty-one million, three hundred two thousand, five hundred thirty-six".