13103002321031 has 16 divisors (see below), whose sum is σ = 15062855769600. Its totient is φ = 11165243459040.

The previous prime is 13103002320979. The next prime is 13103002321061. The reversal of 13103002321031 is 13012320030131.

13103002321031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 13103002321031 - 2²² = 13102998126727 is a prime.

It is a super-2 number, since 2×13103002321031² (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 = 13103002320994 and 13103002321012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13103002321061) 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, 2337221 + ... + 5627486.

It is an arithmetic number, because the mean of its divisors is an integer number (941428485600).

Almost surely, 2^{13103002321031} is an apocalyptic number.

13103002321031 is a deficient number, since it is larger than the sum of its proper divisors (1959853448569).

13103002321031 is a wasteful number, since it uses less digits than its factorization.

13103002321031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7966094.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 13103002321031 its reverse (13012320030131), we get a palindrome (26115322351162).

The spelling of 13103002321031 in words is "thirteen trillion, one hundred three billion, two million, three hundred twenty-one thousand, thirty-one".