113203203013 has 8 divisors (see below), whose sum is σ = 113615670168. Its totient is φ = 112791189504.

The previous prime is 113203203011. The next prime is 113203203089. The reversal of 113203203013 is 310302302311.

It can be written as a sum of positive squares in 4 ways, for example, as 55649753604 + 57553449409 = 235902^2 + 239903^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 113203203013 - 2¹ = 113203203011 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 (113203203011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 390645 + ... + 615637.

It is an arithmetic number, because the mean of its divisors is an integer number (14201958771).

Almost surely, 2^113203203013 is an apocalyptic number.

It is an amenable number.

113203203013 is a deficient number, since it is larger than the sum of its proper divisors (412467155).

113203203013 is a wasteful number, since it uses less digits than its factorization.

113203203013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226823.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 113203203013 its reverse (310302302311), we get a palindrome (423505505324).

The spelling of 113203203013 in words is "one hundred thirteen billion, two hundred three million, two hundred three thousand, thirteen".