31222134223 has 8 divisors (see below), whose sum is σ = 35824602240. Its totient is φ = 26655207000.

The previous prime is 31222134217. The next prime is 31222134271. The reversal of 31222134223 is 32243122213.

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 31222134223 - 2¹³ = 31222126031 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31222174223) 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, 8883313 + ... + 8886826.

It is an arithmetic number, because the mean of its divisors is an integer number (4478075280).

Almost surely, 2^31222134223 is an apocalyptic number.

31222134223 is a deficient number, since it is larger than the sum of its proper divisors (4602468017).

31222134223 is a wasteful number, since it uses less digits than its factorization.

31222134223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17770397.

The product of its digits is 3456, while the sum is 25.

Adding to 31222134223 its reverse (32243122213), we get a palindrome (63465256436).

The spelling of 31222134223 in words is "thirty-one billion, two hundred twenty-two million, one hundred thirty-four thousand, two hundred twenty-three".