20040331131401 has 8 divisors (see below), whose sum is σ = 22903262650944. Its totient is φ = 17177406379920.

The previous prime is 20040331131397. The next prime is 20040331131409. The reversal of 20040331131401 is 10413113304002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20040331131401 - 2² = 20040331131397 is a prime.

It is a super-2 number, since 2×20040331131401² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20040331131409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10995071 + ... + 12687483.

It is an arithmetic number, because the mean of its divisors is an integer number (2862907831368).

Almost surely, 2^{20040331131401} is an apocalyptic number.

It is an amenable number.

20040331131401 is a deficient number, since it is larger than the sum of its proper divisors (2862931519543).

20040331131401 is a wasteful number, since it uses less digits than its factorization.

20040331131401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3384031.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 20040331131401 its reverse (10413113304002), we get a palindrome (30453444435403).

The spelling of 20040331131401 in words is "twenty trillion, forty billion, three hundred thirty-one million, one hundred thirty-one thousand, four hundred one".