13130311312 has 20 divisors (see below), whose sum is σ = 25448548396. Its totient is φ = 6562944000.

The previous prime is 13130311307. The next prime is 13130311321. The reversal of 13130311312 is 21311303131.

It can be written as a sum of positive squares in 2 ways, for example, as 10151771536 + 2978539776 = 100756^2 + 54576^2 .

It is a super-2 number, since 2×13130311312² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13130311312.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88713 + ... + 184744.

Almost surely, 2^13130311312 is an apocalyptic number.

It is an amenable number.

13130311312 is a deficient number, since it is larger than the sum of its proper divisors (12318237084).

13130311312 is a wasteful number, since it uses less digits than its factorization.

13130311312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276466 (or 276460 counting only the distinct ones).

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

Adding to 13130311312 its reverse (21311303131), we get a palindrome (34441614443).

The spelling of 13130311312 in words is "thirteen billion, one hundred thirty million, three hundred eleven thousand, three hundred twelve".