31223243110223 has 8 divisors (see below), whose sum is σ = 31432502822256. Its totient is φ = 31014472896000.

The previous prime is 31223243110183. The next prime is 31223243110277. The reversal of 31223243110223 is 32201134232213.

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 31223243110223 - 2⁶ = 31223243110159 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 (31223243410223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122246453 + ... + 122501598.

It is an arithmetic number, because the mean of its divisors is an integer number (3929062852782).

Almost surely, 2^{31223243110223} is an apocalyptic number.

31223243110223 is a deficient number, since it is larger than the sum of its proper divisors (209259712033).

31223243110223 is a wasteful number, since it uses less digits than its factorization.

31223243110223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244748905.

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

Adding to 31223243110223 its reverse (32201134232213), we get a palindrome (63424377342436).

The spelling of 31223243110223 in words is "thirty-one trillion, two hundred twenty-three billion, two hundred forty-three million, one hundred ten thousand, two hundred twenty-three".