13103121310331 has 16 divisors (see below), whose sum is σ = 14152585356000. Its totient is φ = 12059613470208.

The previous prime is 13103121310303. The next prime is 13103121310361. The reversal of 13103121310331 is 13301312130131.

It is a cyclic number.

It is not a de Polignac number, because 13103121310331 - 2¹⁰ = 13103121309307 is a prime.

It is a super-2 number, since 2×13103121310331² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13103121310297 and 13103121310306.

It is not an unprimeable number, because it can be changed into a prime (13103121310361) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13168835 + ... + 14128851.

It is an arithmetic number, because the mean of its divisors is an integer number (884536584750).

Almost surely, 2^{13103121310331} is an apocalyptic number.

13103121310331 is a deficient number, since it is larger than the sum of its proper divisors (1049464045669).

13103121310331 is a wasteful number, since it uses less digits than its factorization.

13103121310331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 963118.

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

Adding to 13103121310331 its reverse (13301312130131), we get a palindrome (26404433440462).

The spelling of 13103121310331 in words is "thirteen trillion, one hundred three billion, one hundred twenty-one million, three hundred ten thousand, three hundred thirty-one".