13031310312001 has 4 divisors (see below), whose sum is σ = 13032326728404. Its totient is φ = 13030293895600.

The previous prime is 13031310311969. The next prime is 13031310312011. The reversal of 13031310312001 is 10021301313031.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 301399902001 + 12729910410000 = 548999^2 + 3567900^2 .

It is a cyclic number.

It is not a de Polignac number, because 13031310312001 - 2⁵ = 13031310311969 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13031310312001.

It is not an unprimeable number, because it can be changed into a prime (13031310312011) 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, 508188970 + ... + 508214611.

It is an arithmetic number, because the mean of its divisors is an integer number (3258081682101).

Almost surely, 2^{13031310312001} is an apocalyptic number.

It is an amenable number.

13031310312001 is a deficient number, since it is larger than the sum of its proper divisors (1016416403).

13031310312001 is a wasteful number, since it uses less digits than its factorization.

13031310312001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1016416402.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 13031310312001 its reverse (10021301313031), we get a palindrome (23052611625032).

The spelling of 13031310312001 in words is "thirteen trillion, thirty-one billion, three hundred ten million, three hundred twelve thousand, one".