13211412412331 has 4 divisors (see below), whose sum is σ = 15098757042672. Its totient is φ = 11324067781992.

The previous prime is 13211412412309. The next prime is 13211412412333. The reversal of 13211412412331 is 13321421411231.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 13211412412331 - 2⁶ = 13211412412267 is a prime.

It is a super-2 number, since 2×13211412412331² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13211412412294 and 13211412412303.

It is not an unprimeable number, because it can be changed into a prime (13211412412333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 943672315160 + ... + 943672315173.

It is an arithmetic number, because the mean of its divisors is an integer number (3774689260668).

Almost surely, 2^{13211412412331} is an apocalyptic number.

13211412412331 is a deficient number, since it is larger than the sum of its proper divisors (1887344630341).

13211412412331 is an equidigital number, since it uses as much as digits as its factorization.

13211412412331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1887344630340.

The product of its digits is 3456, while the sum is 29.

Adding to 13211412412331 its reverse (13321421411231), we get a palindrome (26532833823562).

The spelling of 13211412412331 in words is "thirteen trillion, two hundred eleven billion, four hundred twelve million, four hundred twelve thousand, three hundred thirty-one".