31444030223 has 2 divisors, whose sum is σ = 31444030224. Its totient is φ = 31444030222.

The previous prime is 31444030213. The next prime is 31444030237. The reversal of 31444030223 is 32203044413.

It is a weak prime.

It is an emirp because it is prime and its reverse (32203044413) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 31444030223 - 2⁶ = 31444030159 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31444030192 and 31444030201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31444030213) 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, 15722015111 + 15722015112.

It is an arithmetic number, because the mean of its divisors is an integer number (15722015112).

Almost surely, 2^31444030223 is an apocalyptic number.

31444030223 is a deficient number, since it is larger than the sum of its proper divisors (1).

31444030223 is an equidigital number, since it uses as much as digits as its factorization.

31444030223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 31444030223 its reverse (32203044413), we get a palindrome (63647074636).

The spelling of 31444030223 in words is "thirty-one billion, four hundred forty-four million, thirty thousand, two hundred twenty-three".