113131203 has 8 divisors (see below), whose sum is σ = 153687888. Its totient is φ = 73997664.

The previous prime is 113131199. The next prime is 113131223. The reversal of 113131203 is 302131311.

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

It is not a de Polignac number, because 113131203 - 2² = 113131199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (113131223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 355600 + ... + 355917.

It is an arithmetic number, because the mean of its divisors is an integer number (19210986).

Almost surely, 2^113131203 is an apocalyptic number.

113131203 is a deficient number, since it is larger than the sum of its proper divisors (40556685).

113131203 is an equidigital number, since it uses as much as digits as its factorization.

113131203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 711573.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 113131203 is about 10636.3152924309. The cubic root of 113131203 is about 483.6458531615.

Adding to 113131203 its reverse (302131311), we get a palindrome (415262514).

The spelling of 113131203 in words is "one hundred thirteen million, one hundred thirty-one thousand, two hundred three".