4020421131313 has 16 divisors (see below), whose sum is σ = 4112121476736. Its totient is φ = 3929777026560.

The previous prime is 4020421131257. The next prime is 4020421131317. The reversal of 4020421131313 is 3131311240204.

4020421131313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 4020421131313 - 2¹⁷ = 4020421000241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4020421131317) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25612495 + ... + 25768987.

It is an arithmetic number, because the mean of its divisors is an integer number (257007592296).

Almost surely, 2^{4020421131313} is an apocalyptic number.

It is an amenable number.

4020421131313 is a deficient number, since it is larger than the sum of its proper divisors (91700345423).

4020421131313 is a wasteful number, since it uses less digits than its factorization.

4020421131313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159864.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 4020421131313 its reverse (3131311240204), we get a palindrome (7151732371517).

The spelling of 4020421131313 in words is "four trillion, twenty billion, four hundred twenty-one million, one hundred thirty-one thousand, three hundred thirteen".