113243401320 has 64 divisors (see below), whose sum is σ = 388263093120. Its totient is φ = 25884205824.

The previous prime is 113243401241. The next prime is 113243401321. The reversal of 113243401320 is 23104342311.

It is a happy number.

It is a super-3 number, since 3×113243401320³ (a number of 34 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (113243401321) by changing a digit.

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, 67405947 + ... + 67407626.

It is an arithmetic number, because the mean of its divisors is an integer number (6066610830).

Almost surely, 2^113243401320 is an apocalyptic number.

113243401320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113243401320 is an abundant number, since it is smaller than the sum of its proper divisors (275019691800).

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

113243401320 is a wasteful number, since it uses less digits than its factorization.

113243401320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134813594 (or 134813590 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 113243401320 its reverse (23104342311), we get a palindrome (136347743631).

The spelling of 113243401320 in words is "one hundred thirteen billion, two hundred forty-three million, four hundred one thousand, three hundred twenty".