31113120122223 has 16 divisors (see below), whose sum is σ = 41713831286400. Its totient is φ = 20627247140640.

The previous prime is 31113120122191. The next prime is 31113120122237. The reversal of 31113120122223 is 32222102131113.

It is not a de Polignac number, because 31113120122223 - 2⁵ = 31113120122191 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31113120122193 and 31113120122202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31113120122423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56185068 + ... + 56736126.

It is an arithmetic number, because the mean of its divisors is an integer number (2607114455400).

Almost surely, 2^{31113120122223} is an apocalyptic number.

31113120122223 is a deficient number, since it is larger than the sum of its proper divisors (10600711164177).

31113120122223 is a wasteful number, since it uses less digits than its factorization.

31113120122223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 655222.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 31113120122223 its reverse (32222102131113), we get a palindrome (63335222253336).

The spelling of 31113120122223 in words is "thirty-one trillion, one hundred thirteen billion, one hundred twenty million, one hundred twenty-two thousand, two hundred twenty-three".