1444780105031 has 2 divisors, whose sum is σ = 1444780105032. Its totient is φ = 1444780105030.

The previous prime is 1444780105001. The next prime is 1444780105073. The reversal of 1444780105031 is 1305010874441.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1444780105031 is a prime.

It is a super-2 number, since 2×1444780105031² (a number of 25 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1444780105001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 722390052515 + 722390052516.

It is an arithmetic number, because the mean of its divisors is an integer number (722390052516).

Almost surely, 2^{1444780105031} is an apocalyptic number.

1444780105031 is a deficient number, since it is larger than the sum of its proper divisors (1).

1444780105031 is an equidigital number, since it uses as much as digits as its factorization.

1444780105031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 53760, while the sum is 38.

Adding to 1444780105031 its reverse (1305010874441), we get a palindrome (2749790979472).

The spelling of 1444780105031 in words is "one trillion, four hundred forty-four billion, seven hundred eighty million, one hundred five thousand, thirty-one".