113201320 has 16 divisors (see below), whose sum is σ = 254703060. Its totient is φ = 45280512.

The previous prime is 113201303. The next prime is 113201329. The reversal of 113201320 is 23102311.

It can be written as a sum of positive squares in 2 ways, for example, as 112911876 + 289444 = 10626^2 + 538^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 113201320.

It is not an unprimeable number, because it can be changed into a prime (113201329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1414977 + ... + 1415056.

Almost surely, 2^113201320 is an apocalyptic number.

113201320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113201320 is an abundant number, since it is smaller than the sum of its proper divisors (141501740).

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

113201320 is a wasteful number, since it uses less digits than its factorization.

113201320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2830044 (or 2830040 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 113201320 is about 10639.6108951409. The cubic root of 113201320 is about 483.7457513086.

Adding to 113201320 its reverse (23102311), we get a palindrome (136303631).

Subtracting from 113201320 its reverse (23102311), we obtain a palindrome (90099009).

The spelling of 113201320 in words is "one hundred thirteen million, two hundred one thousand, three hundred twenty".