40013422313 has 2 divisors, whose sum is σ = 40013422314. Its totient is φ = 40013422312.

The previous prime is 40013422261. The next prime is 40013422321. The reversal of 40013422313 is 31322431004.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38170609129 + 1842813184 = 195373^2 + 42928^2 .

It is a cyclic number.

It is not a de Polignac number, because 40013422313 - 2¹⁶ = 40013356777 is a prime.

It is not a weakly prime, because it can be changed into another prime (40013422013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20006711156 + 20006711157.

It is an arithmetic number, because the mean of its divisors is an integer number (20006711157).

Almost surely, 2^40013422313 is an apocalyptic number.

It is an amenable number.

40013422313 is a deficient number, since it is larger than the sum of its proper divisors (1).

40013422313 is an equidigital number, since it uses as much as digits as its factorization.

40013422313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 40013422313 its reverse (31322431004), we get a palindrome (71335853317).

The spelling of 40013422313 in words is "forty billion, thirteen million, four hundred twenty-two thousand, three hundred thirteen".