31222344323 has 2 divisors, whose sum is σ = 31222344324. Its totient is φ = 31222344322.

The previous prime is 31222344319. The next prime is 31222344401. The reversal of 31222344323 is 32344322213.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 31222344323 - 2² = 31222344319 is a prime.

It is not a weakly prime, because it can be changed into another prime (31212344323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15611172161 + 15611172162.

It is an arithmetic number, because the mean of its divisors is an integer number (15611172162).

Almost surely, 2^31222344323 is an apocalyptic number.

31222344323 is a deficient number, since it is larger than the sum of its proper divisors (1).

31222344323 is an equidigital number, since it uses as much as digits as its factorization.

31222344323 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20736, while the sum is 29.

Adding to 31222344323 its reverse (32344322213), we get a palindrome (63566666536).

The spelling of 31222344323 in words is "thirty-one billion, two hundred twenty-two million, three hundred forty-four thousand, three hundred twenty-three".