313100203100203 has 4 divisors (see below), whose sum is σ = 313111786132048. Its totient is φ = 313088620068360.

The previous prime is 313100203100173. The next prime is 313100203100213. The reversal of 313100203100203 is 302001302001313.

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 313100203100203 - 2¹³ = 313100203092011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (313100203100213) 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, 5791475376 + ... + 5791529437.

It is an arithmetic number, because the mean of its divisors is an integer number (78277946533012).

Almost surely, 2^{313100203100203} is an apocalyptic number.

313100203100203 is a deficient number, since it is larger than the sum of its proper divisors (11583031845).

313100203100203 is a wasteful number, since it uses less digits than its factorization.

313100203100203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11583031844.

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

Adding to 313100203100203 its reverse (302001302001313), we get a palindrome (615101505101516).

The spelling of 313100203100203 in words is "three hundred thirteen trillion, one hundred billion, two hundred three million, one hundred thousand, two hundred three".