313120331323223 has 4 divisors (see below), whose sum is σ = 313241742854040. Its totient is φ = 312998919792408.

The previous prime is 313120331323213. The next prime is 313120331323229. The reversal of 313120331323223 is 322323133021313.

It is a happy number.

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 313120331323223 - 2¹⁰ = 313120331322199 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 313120331323223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313120331323229) 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 3 ways as a sum of consecutive naturals, for example, 60705761540 + ... + 60705766697.

It is an arithmetic number, because the mean of its divisors is an integer number (78310435713510).

Almost surely, 2^{313120331323223} is an apocalyptic number.

313120331323223 is a deficient number, since it is larger than the sum of its proper divisors (121411530817).

313120331323223 is a wasteful number, since it uses less digits than its factorization.

313120331323223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121411530816.

The product of its (nonzero) digits is 34992, while the sum is 32.

Adding to 313120331323223 its reverse (322323133021313), we get a palindrome (635443464344536).

The spelling of 313120331323223 in words is "three hundred thirteen trillion, one hundred twenty billion, three hundred thirty-one million, three hundred twenty-three thousand, two hundred twenty-three".