313201100123 has 4 divisors (see below), whose sum is σ = 313444081320. Its totient is φ = 312958118928.

The previous prime is 313201100087. The next prime is 313201100161. The reversal of 313201100123 is 321001102313.

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 313201100123 - 2³⁰ = 312127358299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (313201100623) 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, 121488665 + ... + 121491242.

It is an arithmetic number, because the mean of its divisors is an integer number (78361020330).

Almost surely, 2^313201100123 is an apocalyptic number.

313201100123 is a deficient number, since it is larger than the sum of its proper divisors (242981197).

313201100123 is a wasteful number, since it uses less digits than its factorization.

313201100123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242981196.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 313201100123 its reverse (321001102313), we get a palindrome (634202202436).

The spelling of 313201100123 in words is "three hundred thirteen billion, two hundred one million, one hundred thousand, one hundred twenty-three".