313322202223231 has 4 divisors (see below), whose sum is σ = 313335558408600. Its totient is φ = 313308846037864.

The previous prime is 313322202223213. The next prime is 313322202223253. The reversal of 313322202223231 is 132322202223313.

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 313322202223231 - 2³¹ = 313320054739583 is a prime.

It is a super-2 number, since 2×313322202223231² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 313322202223193 and 313322202223202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313322202223271) 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, 6678057496 + ... + 6678104413.

It is an arithmetic number, because the mean of its divisors is an integer number (78333889602150).

Almost surely, 2^{313322202223231} is an apocalyptic number.

313322202223231 is a deficient number, since it is larger than the sum of its proper divisors (13356185369).

313322202223231 is a wasteful number, since it uses less digits than its factorization.

313322202223231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13356185368.

The product of its (nonzero) digits is 31104, while the sum is 31.

Adding to 313322202223231 its reverse (132322202223313), we get a palindrome (445644404446544).

The spelling of 313322202223231 in words is "three hundred thirteen trillion, three hundred twenty-two billion, two hundred two million, two hundred twenty-three thousand, two hundred thirty-one".