13120421331013 has 8 divisors (see below), whose sum is σ = 13315689303840. Its totient is φ = 12926594450640.

The previous prime is 13120421330971. The next prime is 13120421331041. The reversal of 13120421331013 is 31013312402131.

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 13120421331013 - 2³³ = 13111831396421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13120421331053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 360254770 + ... + 360291187.

It is an arithmetic number, because the mean of its divisors is an integer number (1664461162980).

Almost surely, 2^{13120421331013} is an apocalyptic number.

It is an amenable number.

13120421331013 is a deficient number, since it is larger than the sum of its proper divisors (195267972827).

13120421331013 is a wasteful number, since it uses less digits than its factorization.

13120421331013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 720546227.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 13120421331013 its reverse (31013312402131), we get a palindrome (44133733733144).

The spelling of 13120421331013 in words is "thirteen trillion, one hundred twenty billion, four hundred twenty-one million, three hundred thirty-one thousand, thirteen".