13130311321000 has 32 divisors (see below), whose sum is σ = 30724928493480. Its totient is φ = 5252124528000.

The previous prime is 13130311320947. The next prime is 13130311321007. The reversal of 13130311321000 is 12311303131.

It can be written as a sum of positive squares in 4 ways, for example, as 800226858916 + 12330084462084 = 894554^2 + 3511422^2 .

It is not an unprimeable number, because it can be changed into a prime (13130311321007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6565154661 + ... + 6565156660.

Almost surely, 2^{13130311321000} is an apocalyptic number.

13130311321000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13130311321000 is an abundant number, since it is smaller than the sum of its proper divisors (17594617172480).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13130311321000 is a wasteful number, since it uses less digits than its factorization.

13130311321000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13130311342 (or 13130311328 counting only the distinct ones).

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

Adding to 13130311321000 its reverse (12311303131), we get a palindrome (13142622624131).

The spelling of 13130311321000 in words is "thirteen trillion, one hundred thirty billion, three hundred eleven million, three hundred twenty-one thousand".