40213231542431 has 4 divisors (see below), whose sum is σ = 40214162943312. Its totient is φ = 40212300141552.

The previous prime is 40213231542427. The next prime is 40213231542437. The reversal of 40213231542431 is 13424513231204.

40213231542431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40213231542431 - 2² = 40213231542427 is a prime.

It is a super-2 number, since 2×40213231542431² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40213231542391 and 40213231542400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40213231542437) 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 in 3 ways as a sum of consecutive naturals, for example, 465635675 + ... + 465722028.

It is an arithmetic number, because the mean of its divisors is an integer number (10053540735828).

Almost surely, 2^{40213231542431} is an apocalyptic number.

40213231542431 is a deficient number, since it is larger than the sum of its proper divisors (931400881).

40213231542431 is an equidigital number, since it uses as much as digits as its factorization.

40213231542431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 931400880.

The product of its (nonzero) digits is 69120, while the sum is 35.

Adding to 40213231542431 its reverse (13424513231204), we get a palindrome (53637744773635).

The spelling of 40213231542431 in words is "forty trillion, two hundred thirteen billion, two hundred thirty-one million, five hundred forty-two thousand, four hundred thirty-one".