40545204103231 has 2 divisors, whose sum is σ = 40545204103232. Its totient is φ = 40545204103230.

The previous prime is 40545204103219. The next prime is 40545204103297. The reversal of 40545204103231 is 13230140254504.

40545204103231 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 40545204103231 - 2⁹ = 40545204102719 is a prime.

It is a super-2 number, since 2×40545204103231² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40545204103631) 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, 20272602051615 + 20272602051616.

It is an arithmetic number, because the mean of its divisors is an integer number (20272602051616).

Almost surely, 2^{40545204103231} is an apocalyptic number.

40545204103231 is a deficient number, since it is larger than the sum of its proper divisors (1).

40545204103231 is an equidigital number, since it uses as much as digits as its factorization.

40545204103231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 57600, while the sum is 34.

Adding to 40545204103231 its reverse (13230140254504), we get a palindrome (53775344357735).

The spelling of 40545204103231 in words is "forty trillion, five hundred forty-five billion, two hundred four million, one hundred three thousand, two hundred thirty-one".