31103310232223 has 4 divisors (see below), whose sum is σ = 31103754007800. Its totient is φ = 31102866456648.

The previous prime is 31103310232153. The next prime is 31103310232261. The reversal of 31103310232223 is 32223201330113.

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 31103310232223 - 2¹² = 31103310228127 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31103310232192 and 31103310232201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31103310232273) 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, 221782640 + ... + 221922837.

It is an arithmetic number, because the mean of its divisors is an integer number (7775938501950).

Almost surely, 2^{31103310232223} is an apocalyptic number.

31103310232223 is a deficient number, since it is larger than the sum of its proper divisors (443775577).

31103310232223 is an equidigital number, since it uses as much as digits as its factorization.

31103310232223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443775576.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 31103310232223 its reverse (32223201330113), we get a palindrome (63326511562336).

The spelling of 31103310232223 in words is "thirty-one trillion, one hundred three billion, three hundred ten million, two hundred thirty-two thousand, two hundred twenty-three".