20040131304011 has 32 divisors (see below), whose sum is σ = 24678342463488. Its totient is φ = 15847210241280.

The previous prime is 20040131303953. The next prime is 20040131304049. The reversal of 20040131304011 is 11040313104002.

It is a cyclic number.

It is not a de Polignac number, because 20040131304011 - 2¹⁸ = 20040131041867 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20040131300011) 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 31 ways as a sum of consecutive naturals, for example, 2300022191 + ... + 2300030903.

It is an arithmetic number, because the mean of its divisors is an integer number (771198201984).

Almost surely, 2^{20040131304011} is an apocalyptic number.

20040131304011 is a deficient number, since it is larger than the sum of its proper divisors (4638211159477).

20040131304011 is a wasteful number, since it uses less digits than its factorization.

20040131304011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19731.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 20040131304011 its reverse (11040313104002), we get a palindrome (31080444408013).

The spelling of 20040131304011 in words is "twenty trillion, forty billion, one hundred thirty-one million, three hundred four thousand, eleven".