40304442121031 has 4 divisors (see below), whose sum is σ = 43968482313864. Its totient is φ = 36640401928200.

The previous prime is 40304442121019. The next prime is 40304442121039. The reversal of 40304442121031 is 13012124440304.

40304442121031 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 40304442121031 - 2⁶ = 40304442120967 is a prime.

It is a super-2 number, since 2×40304442121031² (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 = 40304442120985 and 40304442121003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40304442121039) 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, 1832020096400 + ... + 1832020096421.

It is an arithmetic number, because the mean of its divisors is an integer number (10992120578466).

Almost surely, 2^{40304442121031} is an apocalyptic number.

40304442121031 is a deficient number, since it is larger than the sum of its proper divisors (3664040192833).

40304442121031 is a wasteful number, since it uses less digits than its factorization.

40304442121031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3664040192832.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 40304442121031 its reverse (13012124440304), we get a palindrome (53316566561335).

The spelling of 40304442121031 in words is "forty trillion, three hundred four billion, four hundred forty-two million, one hundred twenty-one thousand, thirty-one".