31444451330053 has 2 divisors, whose sum is σ = 31444451330054. Its totient is φ = 31444451330052.

The previous prime is 31444451330003. The next prime is 31444451330057. The reversal of 31444451330053 is 35003315444413.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26800262548609 + 4644188781444 = 5176897^2 + 2155038^2 .

It is a cyclic number.

It is not a de Polignac number, because 31444451330053 - 2²⁹ = 31443914459141 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31444451329988 and 31444451330015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31444451330057) 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, 15722225665026 + 15722225665027.

It is an arithmetic number, because the mean of its divisors is an integer number (15722225665027).

Almost surely, 2^{31444451330053} is an apocalyptic number.

It is an amenable number.

31444451330053 is a deficient number, since it is larger than the sum of its proper divisors (1).

31444451330053 is an equidigital number, since it uses as much as digits as its factorization.

31444451330053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 518400, while the sum is 40.

Adding to 31444451330053 its reverse (35003315444413), we get a palindrome (66447766774466).

The spelling of 31444451330053 in words is "thirty-one trillion, four hundred forty-four billion, four hundred fifty-one million, three hundred thirty thousand, fifty-three".