13011330312031 has 4 divisors (see below), whose sum is σ = 13018778127352. Its totient is φ = 13003882496712.

The previous prime is 13011330312017. The next prime is 13011330312077. The reversal of 13011330312031 is 13021303311031.

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

It is a cyclic number.

It is not a de Polignac number, because 13011330312031 - 2³⁹ = 12461574498143 is a prime.

It is a super-2 number, since 2×13011330312031² (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 = 13011330311993 and 13011330312011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13011330312091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3723905040 + ... + 3723908533.

It is an arithmetic number, because the mean of its divisors is an integer number (3254694531838).

Almost surely, 2^{13011330312031} is an apocalyptic number.

13011330312031 is a deficient number, since it is larger than the sum of its proper divisors (7447815321).

13011330312031 is an equidigital number, since it uses as much as digits as its factorization.

13011330312031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7447815320.

The product of its (nonzero) digits is 486, while the sum is 22.

Adding to 13011330312031 its reverse (13021303311031), we get a palindrome (26032633623062).

The spelling of 13011330312031 in words is "thirteen trillion, eleven billion, three hundred thirty million, three hundred twelve thousand, thirty-one".