313011231223 has 4 divisors (see below), whose sum is σ = 313048313128. Its totient is φ = 312974149320.

The previous prime is 313011231209. The next prime is 313011231233. The reversal of 313011231223 is 322132110313.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 322132110313 = 13 ⋅24779393101.

It is a cyclic number.

It is not a de Polignac number, because 313011231223 - 2²⁹ = 312474360311 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 313011231194 and 313011231203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313011231233) 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, 18528288 + ... + 18545173.

It is an arithmetic number, because the mean of its divisors is an integer number (78262078282).

Almost surely, 2^313011231223 is an apocalyptic number.

313011231223 is a deficient number, since it is larger than the sum of its proper divisors (37081905).

313011231223 is an equidigital number, since it uses as much as digits as its factorization.

313011231223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37081904.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 313011231223 its reverse (322132110313), we get a palindrome (635143341536).

The spelling of 313011231223 in words is "three hundred thirteen billion, eleven million, two hundred thirty-one thousand, two hundred twenty-three".