31232222323 has 2 divisors, whose sum is σ = 31232222324. Its totient is φ = 31232222322.

The previous prime is 31232222291. The next prime is 31232222327. The reversal of 31232222323 is 32322223213.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 31232222323 - 2⁵ = 31232222291 is a prime.

It is a super-2 number, since 2×31232222323² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (31232222327) 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, 15616111161 + 15616111162.

It is an arithmetic number, because the mean of its divisors is an integer number (15616111162).

Almost surely, 2^31232222323 is an apocalyptic number.

31232222323 is a deficient number, since it is larger than the sum of its proper divisors (1).

31232222323 is an equidigital number, since it uses as much as digits as its factorization.

31232222323 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5184, while the sum is 25.

Adding to 31232222323 its reverse (32322223213), we get a palindrome (63554445536).

The spelling of 31232222323 in words is "thirty-one billion, two hundred thirty-two million, two hundred twenty-two thousand, three hundred twenty-three".