40304113013 has 2 divisors, whose sum is σ = 40304113014. Its totient is φ = 40304113012.

The previous prime is 40304112949. The next prime is 40304113019. The reversal of 40304113013 is 31031140304.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31464728689 + 8839384324 = 177383^2 + 94018^2 .

It is a cyclic number.

It is not a de Polignac number, because 40304113013 - 2⁶ = 40304112949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40304113019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20152056506 + 20152056507.

It is an arithmetic number, because the mean of its divisors is an integer number (20152056507).

Almost surely, 2^40304113013 is an apocalyptic number.

It is an amenable number.

40304113013 is a deficient number, since it is larger than the sum of its proper divisors (1).

40304113013 is an equidigital number, since it uses as much as digits as its factorization.

40304113013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 40304113013 its reverse (31031140304), we get a palindrome (71335253317).

The spelling of 40304113013 in words is "forty billion, three hundred four million, one hundred thirteen thousand, thirteen".