13021231103331 has 16 divisors (see below), whose sum is σ = 19127496999168. Its totient is φ = 7813520012000.

The previous prime is 13021231103323. The next prime is 13021231103347. The reversal of 13021231103331 is 13330113212031.

It is a cyclic number.

It is not a de Polignac number, because 13021231103331 - 2³ = 13021231103323 is a prime.

It is a super-2 number, since 2×13021231103331² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13021231123331) 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, 1953376671 + ... + 1953383336.

It is an arithmetic number, because the mean of its divisors is an integer number (1195468562448).

Almost surely, 2^{13021231103331} is an apocalyptic number.

13021231103331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13021231103331 is a deficient number, since it is larger than the sum of its proper divisors (6106265895837).

13021231103331 is a wasteful number, since it uses less digits than its factorization.

13021231103331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3906760122.

The product of its (nonzero) digits is 972, while the sum is 24.

Adding to 13021231103331 its reverse (13330113212031), we get a palindrome (26351344315362).

The spelling of 13021231103331 in words is "thirteen trillion, twenty-one billion, two hundred thirty-one million, one hundred three thousand, three hundred thirty-one".