31130422223 has 16 divisors (see below), whose sum is σ = 32007830400. Its totient is φ = 30262406400.

The previous prime is 31130422171. The next prime is 31130422243. The reversal of 31130422223 is 32222403113.

It is a cyclic number.

It is not a de Polignac number, because 31130422223 - 2⁸ = 31130421967 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 (31130422243) 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, 9024203 + ... + 9027651.

It is an arithmetic number, because the mean of its divisors is an integer number (2000489400).

Almost surely, 2^31130422223 is an apocalyptic number.

31130422223 is a deficient number, since it is larger than the sum of its proper divisors (877408177).

31130422223 is a wasteful number, since it uses less digits than its factorization.

31130422223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4738.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 31130422223 its reverse (32222403113), we get a palindrome (63352825336).

The spelling of 31130422223 in words is "thirty-one billion, one hundred thirty million, four hundred twenty-two thousand, two hundred twenty-three".