40402030323331 has 2 divisors, whose sum is σ = 40402030323332. Its totient is φ = 40402030323330.

The previous prime is 40402030323329. The next prime is 40402030323367. The reversal of 40402030323331 is 13332303020404.

It is a happy number.

40402030323331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40402030323331 - 2¹ = 40402030323329 is a prime.

It is a super-2 number, since 2×40402030323331² (a number of 28 digits) contains 22 as substring.

Together with 40402030323329, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 40402030323331.

It is not a weakly prime, because it can be changed into another prime (40402030323371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20201015161665 + 20201015161666.

It is an arithmetic number, because the mean of its divisors is an integer number (20201015161666).

Almost surely, 2^{40402030323331} is an apocalyptic number.

40402030323331 is a deficient number, since it is larger than the sum of its proper divisors (1).

40402030323331 is an equidigital number, since it uses as much as digits as its factorization.

40402030323331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 28.

Adding to 40402030323331 its reverse (13332303020404), we get a palindrome (53734333343735).

The spelling of 40402030323331 in words is "forty trillion, four hundred two billion, thirty million, three hundred twenty-three thousand, three hundred thirty-one".