20240244313 has 2 divisors, whose sum is σ = 20240244314. Its totient is φ = 20240244312.

The previous prime is 20240244307. The next prime is 20240244397. The reversal of 20240244313 is 31344204202.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19491510544 + 748733769 = 139612^2 + 27363^2 .

It is a cyclic number.

It is not a de Polignac number, because 20240244313 - 2²¹ = 20238147161 is a prime.

It is not a weakly prime, because it can be changed into another prime (20240244413) 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, 10120122156 + 10120122157.

It is an arithmetic number, because the mean of its divisors is an integer number (10120122157).

Almost surely, 2^20240244313 is an apocalyptic number.

It is an amenable number.

20240244313 is a deficient number, since it is larger than the sum of its proper divisors (1).

20240244313 is an equidigital number, since it uses as much as digits as its factorization.

20240244313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 20240244313 its reverse (31344204202), we get a palindrome (51584448515).

The spelling of 20240244313 in words is "twenty billion, two hundred forty million, two hundred forty-four thousand, three hundred thirteen".