31133122312223 has 8 divisors (see below), whose sum is σ = 31273037490816. Its totient is φ = 30993370303000.

The previous prime is 31133122312141. The next prime is 31133122312241. The reversal of 31133122312223 is 32221322133113.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 31133122312223 - 2¹⁰ = 31133122311199 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 (31133122212223) 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 7 ways as a sum of consecutive naturals, for example, 40409873 + ... + 41173098.

It is an arithmetic number, because the mean of its divisors is an integer number (3909129686352).

Almost surely, 2^{31133122312223} is an apocalyptic number.

31133122312223 is a deficient number, since it is larger than the sum of its proper divisors (139915178593).

31133122312223 is a wasteful number, since it uses less digits than its factorization.

31133122312223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81584685.

The product of its digits is 7776, while the sum is 29.

Adding to 31133122312223 its reverse (32221322133113), we get a palindrome (63354444445336).

The spelling of 31133122312223 in words is "thirty-one trillion, one hundred thirty-three billion, one hundred twenty-two million, three hundred twelve thousand, two hundred twenty-three".