13021320133331 has 8 divisors (see below), whose sum is σ = 13787496148464. Its totient is φ = 12255168119040.

The previous prime is 13021320133319. The next prime is 13021320133363. The reversal of 13021320133331 is 13333102312031.

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 13021320133331 - 2¹⁰ = 13021320132307 is a prime.

It is a super-2 number, since 2×13021320133331² (a number of 27 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 13021320133331.

It is not an unprimeable number, because it can be changed into a prime (13021320130331) 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, 4877210 + ... + 7059023.

It is an arithmetic number, because the mean of its divisors is an integer number (1723437018558).

Almost surely, 2^{13021320133331} is an apocalyptic number.

13021320133331 is a deficient number, since it is larger than the sum of its proper divisors (766176015133).

13021320133331 is a wasteful number, since it uses less digits than its factorization.

13021320133331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12000421.

The product of its (nonzero) digits is 2916, while the sum is 26.

Adding to 13021320133331 its reverse (13333102312031), we get a palindrome (26354422445362).

The spelling of 13021320133331 in words is "thirteen trillion, twenty-one billion, three hundred twenty million, one hundred thirty-three thousand, three hundred thirty-one".