13113031132031 has 4 divisors (see below), whose sum is σ = 13113046691064. Its totient is φ = 13113015573000.

The previous prime is 13113031132009. The next prime is 13113031132079. The reversal of 13113031132031 is 13023113031131.

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 13113031132031 - 2¹⁴ = 13113031115647 is a prime.

It is a super-2 number, since 2×13113031132031² (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 = 13113031131988 and 13113031132006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13113031332031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6438245 + ... + 8226606.

It is an arithmetic number, because the mean of its divisors is an integer number (3278261672766).

Almost surely, 2^{13113031132031} is an apocalyptic number.

13113031132031 is a deficient number, since it is larger than the sum of its proper divisors (15559033).

13113031132031 is an equidigital number, since it uses as much as digits as its factorization.

13113031132031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15559032.

The product of its (nonzero) digits is 486, while the sum is 23.

Adding to 13113031132031 its reverse (13023113031131), we get a palindrome (26136144163162).

The spelling of 13113031132031 in words is "thirteen trillion, one hundred thirteen billion, thirty-one million, one hundred thirty-two thousand, thirty-one".