113142203 has 4 divisors (see below), whose sum is σ = 113171760. Its totient is φ = 113112648.

The previous prime is 113142193. The next prime is 113142217. The reversal of 113142203 is 302241311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 113142203 - 2⁸ = 113141947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113142233) 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, 8000 + ... + 17037.

It is an arithmetic number, because the mean of its divisors is an integer number (28292940).

Almost surely, 2^113142203 is an apocalyptic number.

113142203 is a deficient number, since it is larger than the sum of its proper divisors (29557).

113142203 is an equidigital number, since it uses as much as digits as its factorization.

113142203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29556.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 113142203 is about 10636.8323762293. The cubic root of 113142203 is about 483.6615279763.

Adding to 113142203 its reverse (302241311), we get a palindrome (415383514).

It can be divided in two parts, 1131 and 42203, that added together give a palindrome (43334).

The spelling of 113142203 in words is "one hundred thirteen million, one hundred forty-two thousand, two hundred three".