31223432542223 has 2 divisors, whose sum is σ = 31223432542224. Its totient is φ = 31223432542222.

The previous prime is 31223432542217. The next prime is 31223432542229. The reversal of 31223432542223 is 32224523432213.

It is a balanced prime because it is at equal distance from previous prime (31223432542217) and next prime (31223432542229).

It is a cyclic number.

It is not a de Polignac number, because 31223432542223 - 2⁸ = 31223432541967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31223432542229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15611716271111 + 15611716271112.

It is an arithmetic number, because the mean of its divisors is an integer number (15611716271112).

Almost surely, 2^{31223432542223} is an apocalyptic number.

31223432542223 is a deficient number, since it is larger than the sum of its proper divisors (1).

31223432542223 is an equidigital number, since it uses as much as digits as its factorization.

31223432542223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 414720, while the sum is 38.

Adding to 31223432542223 its reverse (32224523432213), we get a palindrome (63447955974436).

The spelling of 31223432542223 in words is "thirty-one trillion, two hundred twenty-three billion, four hundred thirty-two million, five hundred forty-two thousand, two hundred twenty-three".