13331120311031 has 8 divisors (see below), whose sum is σ = 13337925030720. Its totient is φ = 13324315927552.

The previous prime is 13331120311027. The next prime is 13331120311057. The reversal of 13331120311031 is 13011302113331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13331120311031 - 2² = 13331120311027 is a prime.

It is a super-2 number, since 2×13331120311031² (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 = 13331120310988 and 13331120311006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13331120311021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128417315 + ... + 128521083.

It is an arithmetic number, because the mean of its divisors is an integer number (1667240628840).

Almost surely, 2^{13331120311031} is an apocalyptic number.

13331120311031 is a deficient number, since it is larger than the sum of its proper divisors (6804719689).

13331120311031 is a wasteful number, since it uses less digits than its factorization.

13331120311031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168105.

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

Adding to 13331120311031 its reverse (13011302113331), we get a palindrome (26342422424362).

The spelling of 13331120311031 in words is "thirteen trillion, three hundred thirty-one billion, one hundred twenty million, three hundred eleven thousand, thirty-one".