40340231402113 has 2 divisors, whose sum is σ = 40340231402114. Its totient is φ = 40340231402112.

The previous prime is 40340231402047. The next prime is 40340231402161. The reversal of 40340231402113 is 31120413204304.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39626370322704 + 713861079409 = 6294948^2 + 844903^2 .

It is a cyclic number.

It is not a de Polignac number, because 40340231402113 - 2³³ = 40331641467521 is a prime.

It is not a weakly prime, because it can be changed into another prime (40340231402183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20170115701056 + 20170115701057.

It is an arithmetic number, because the mean of its divisors is an integer number (20170115701057).

Almost surely, 2^{40340231402113} is an apocalyptic number.

It is an amenable number.

40340231402113 is a deficient number, since it is larger than the sum of its proper divisors (1).

40340231402113 is an equidigital number, since it uses as much as digits as its factorization.

40340231402113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 40340231402113 its reverse (31120413204304), we get a palindrome (71460644606417).

The spelling of 40340231402113 in words is "forty trillion, three hundred forty billion, two hundred thirty-one million, four hundred two thousand, one hundred thirteen".