313313113231 has 4 divisors (see below), whose sum is σ = 313322909200. Its totient is φ = 313303317264.

The previous prime is 313313113229. The next prime is 313313113271. The reversal of 313313113231 is 132311313313.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 132311313313 = 151 ⋅876233863.

It is a cyclic number.

It is not a de Polignac number, because 313313113231 - 2¹ = 313313113229 is a prime.

It is a super-2 number, since 2×313313113231² (a number of 24 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 = 313313113196 and 313313113205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313313113271) 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, 4849851 + ... + 4914028.

It is an arithmetic number, because the mean of its divisors is an integer number (78330727300).

Almost surely, 2^313313113231 is an apocalyptic number.

313313113231 is a deficient number, since it is larger than the sum of its proper divisors (9795969).

313313113231 is an equidigital number, since it uses as much as digits as its factorization.

313313113231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9795968.

The product of its digits is 1458, while the sum is 25.

Adding to 313313113231 its reverse (132311313313), we get a palindrome (445624426544).

The spelling of 313313113231 in words is "three hundred thirteen billion, three hundred thirteen million, one hundred thirteen thousand, two hundred thirty-one".