44020311304213 has 2 divisors, whose sum is σ = 44020311304214. Its totient is φ = 44020311304212.

The previous prime is 44020311304171. The next prime is 44020311304241. The reversal of 44020311304213 is 31240311302044.

It is a happy number.

It is an a-pointer prime, because the next prime (44020311304241) can be obtained adding 44020311304213 to its sum of digits (28).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36065333615364 + 7954977688849 = 6005442^2 + 2820457^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44020311304213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44020311304273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22010155652106 + 22010155652107.

It is an arithmetic number, because the mean of its divisors is an integer number (22010155652107).

Almost surely, 2^{44020311304213} is an apocalyptic number.

It is an amenable number.

44020311304213 is a deficient number, since it is larger than the sum of its proper divisors (1).

44020311304213 is an equidigital number, since it uses as much as digits as its factorization.

44020311304213 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 28.

Adding to 44020311304213 its reverse (31240311302044), we get a palindrome (75260622606257).

The spelling of 44020311304213 in words is "forty-four trillion, twenty billion, three hundred eleven million, three hundred four thousand, two hundred thirteen".