13311201325 has 6 divisors (see below), whose sum is σ = 16505889674. Its totient is φ = 10648961040.

The previous prime is 13311201311. The next prime is 13311201329. The reversal of 13311201325 is 52310211331.

It can be written as a sum of positive squares in 3 ways, for example, as 2102956164 + 11208245161 = 45858^2 + 105869^2 .

It is a de Polignac number, because none of the positive numbers 2^k-13311201325 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13311201296 and 13311201305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13311201329) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 266224002 + ... + 266224051.

Almost surely, 2^13311201325 is an apocalyptic number.

It is an amenable number.

13311201325 is a deficient number, since it is larger than the sum of its proper divisors (3194688349).

13311201325 is an equidigital number, since it uses as much as digits as its factorization.

13311201325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 532448063 (or 532448058 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 22.

Adding to 13311201325 its reverse (52310211331), we get a palindrome (65621412656).

The spelling of 13311201325 in words is "thirteen billion, three hundred eleven million, two hundred one thousand, three hundred twenty-five".