13001211031320 has 96 divisors (see below), whose sum is σ = 44091063525600. Its totient is φ = 3316250927616.

The previous prime is 13001211031271. The next prime is 13001211031339. The reversal of 13001211031320 is 2313011210031.

13001211031320 is a `hidden beast` number, since 1 + 300 + 1 + 2 + 1 + 10 + 31 + 320 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 13001211031293 and 13001211031302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 785089005 + ... + 785105564.

It is an arithmetic number, because the mean of its divisors is an integer number (459281911725).

Almost surely, 2^{13001211031320} is an apocalyptic number.

13001211031320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13001211031320 is an abundant number, since it is smaller than the sum of its proper divisors (31089852494280).

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

13001211031320 is a wasteful number, since it uses less digits than its factorization.

13001211031320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1570194609 (or 1570194602 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 13001211031320 its reverse (2313011210031), we get a palindrome (15314222241351).

The spelling of 13001211031320 in words is "thirteen trillion, one billion, two hundred eleven million, thirty-one thousand, three hundred twenty".