113311020432 has 80 divisors (see below), whose sum is σ = 298765520640. Its totient is φ = 36995481600.

The previous prime is 113311020413. The next prime is 113311020503. The reversal of 113311020432 is 234020113311.

It is a super-2 number, since 2×113311020432² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 113311020399 and 113311020408.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 618832 + ... + 780752.

It is an arithmetic number, because the mean of its divisors is an integer number (3734569008).

Almost surely, 2^113311020432 is an apocalyptic number.

113311020432 is a gapful number since it is divisible by the number (12) 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 113311020432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149382760320).

113311020432 is an abundant number, since it is smaller than the sum of its proper divisors (185454500208).

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

113311020432 is a wasteful number, since it uses less digits than its factorization.

113311020432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162232 (or 162226 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 113311020432 its reverse (234020113311), we get a palindrome (347331133743).

The spelling of 113311020432 in words is "one hundred thirteen billion, three hundred eleven million, twenty thousand, four hundred thirty-two".