13112330331031 has 4 divisors (see below), whose sum is σ = 13159667263912. Its totient is φ = 13064993398152.

The previous prime is 13112330331029. The next prime is 13112330331041. The reversal of 13112330331031 is 13013303321131.

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 13112330331031 - 2¹ = 13112330331029 is a prime.

It is a super-3 number, since 3×13112330331031³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13112330330987 and 13112330331005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13112330331041) 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, 23668466025 + ... + 23668466578.

It is an arithmetic number, because the mean of its divisors is an integer number (3289916815978).

Almost surely, 2^{13112330331031} is an apocalyptic number.

13112330331031 is a deficient number, since it is larger than the sum of its proper divisors (47336932881).

13112330331031 is an equidigital number, since it uses as much as digits as its factorization.

13112330331031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47336932880.

The product of its (nonzero) digits is 1458, while the sum is 25.

Adding to 13112330331031 its reverse (13013303321131), we get a palindrome (26125633652162).

The spelling of 13112330331031 in words is "thirteen trillion, one hundred twelve billion, three hundred thirty million, three hundred thirty-one thousand, thirty-one".