31103322202223 has 16 divisors (see below), whose sum is σ = 31903737307776. Its totient is φ = 30311041531680.

The previous prime is 31103322202219. The next prime is 31103322202241. The reversal of 31103322202223 is 32220222330113.

It is a cyclic number.

It is not a de Polignac number, because 31103322202223 - 2² = 31103322202219 is a prime.

It is a super-2 number, since 2×31103322202223² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31103322202192 and 31103322202201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31103322202423) 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 15 ways as a sum of consecutive naturals, for example, 13321328 + ... + 15481098.

It is an arithmetic number, because the mean of its divisors is an integer number (1993983581736).

Almost surely, 2^{31103322202223} is an apocalyptic number.

31103322202223 is a deficient number, since it is larger than the sum of its proper divisors (800415105553).

31103322202223 is a wasteful number, since it uses less digits than its factorization.

31103322202223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2161654.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 31103322202223 its reverse (32220222330113), we get a palindrome (63323544532336).

The spelling of 31103322202223 in words is "thirty-one trillion, one hundred three billion, three hundred twenty-two million, two hundred two thousand, two hundred twenty-three".