313040312221223 has 4 divisors (see below), whose sum is σ = 317002847819040. Its totient is φ = 309077776623408.

The previous prime is 313040312221213. The next prime is 313040312221279. The reversal of 313040312221223 is 322122213040313.

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 313040312221223 - 2⁶ = 313040312221159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313040312221213) 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, 1981267798790 + ... + 1981267798947.

It is an arithmetic number, because the mean of its divisors is an integer number (79250711954760).

Almost surely, 2^{313040312221223} is an apocalyptic number.

313040312221223 is a deficient number, since it is larger than the sum of its proper divisors (3962535597817).

313040312221223 is an equidigital number, since it uses as much as digits as its factorization.

313040312221223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3962535597816.

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 313040312221223 its reverse (322122213040313), we get a palindrome (635162525261536).

The spelling of 313040312221223 in words is "three hundred thirteen trillion, forty billion, three hundred twelve million, two hundred twenty-one thousand, two hundred twenty-three".