203113100113 has 8 divisors (see below), whose sum is σ = 253231917120. Its totient is φ = 158269948080.

The previous prime is 203113100077. The next prime is 203113100117. The reversal of 203113100113 is 311001311302.

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 203113100113 - 2¹³ = 203113091921 is a prime.

It is a super-2 number, since 2×203113100113² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (203113100117) 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, 1318916158 + ... + 1318916311.

It is an arithmetic number, because the mean of its divisors is an integer number (31653989640).

Almost surely, 2^203113100113 is an apocalyptic number.

It is an amenable number.

203113100113 is a deficient number, since it is larger than the sum of its proper divisors (50118817007).

203113100113 is a wasteful number, since it uses less digits than its factorization.

203113100113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2637832487.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 203113100113 its reverse (311001311302), we get a palindrome (514114411415).

The spelling of 203113100113 in words is "two hundred three billion, one hundred thirteen million, one hundred thousand, one hundred thirteen".