113204203501 has 4 divisors (see below), whose sum is σ = 113336917372. Its totient is φ = 113071489632.

The previous prime is 113204203499. The next prime is 113204203507. The reversal of 113204203501 is 105302402311.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 105302402311 = 43 ⋅2448893077.

It can be written as a sum of positive squares in 2 ways, for example, as 59670275625 + 53533927876 = 244275^2 + 231374^2 .

It is a cyclic number.

It is not a de Polignac number, because 113204203501 - 2¹ = 113204203499 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113204203507) 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, 66355656 + ... + 66357361.

It is an arithmetic number, because the mean of its divisors is an integer number (28334229343).

Almost surely, 2^113204203501 is an apocalyptic number.

It is an amenable number.

113204203501 is a deficient number, since it is larger than the sum of its proper divisors (132713871).

113204203501 is an equidigital number, since it uses as much as digits as its factorization.

113204203501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132713870.

The product of its (nonzero) digits is 720, while the sum is 22.

Adding to 113204203501 its reverse (105302402311), we get a palindrome (218506605812).

The spelling of 113204203501 in words is "one hundred thirteen billion, two hundred four million, two hundred three thousand, five hundred one".