40131001430305 has 4 divisors (see below), whose sum is σ = 48157201716372. Its totient is φ = 32104801144240.

The previous prime is 40131001430297. The next prime is 40131001430363. The reversal of 40131001430305 is 50303410013104.

40131001430305 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 can be written as a sum of positive squares in 2 ways, for example, as 13197766234129 + 26933235196176 = 3632873^2 + 5189724^2 .

It is not a de Polignac number, because 40131001430305 - 2³ = 40131001430297 is a prime.

It is a super-2 number, since 2×40131001430305² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40131001430305.

It is an unprimeable number.

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, 4013100143026 + ... + 4013100143035.

It is an arithmetic number, because the mean of its divisors is an integer number (12039300429093).

Almost surely, 2^{40131001430305} is an apocalyptic number.

It is an amenable number.

40131001430305 is a deficient number, since it is larger than the sum of its proper divisors (8026200286067).

40131001430305 is an equidigital number, since it uses as much as digits as its factorization.

40131001430305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8026200286066.

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 40131001430305 its reverse (50303410013104), we get a palindrome (90434411443409).

The spelling of 40131001430305 in words is "forty trillion, one hundred thirty-one billion, one million, four hundred thirty thousand, three hundred five".