13131022301320 has 128 divisors (see below), whose sum is σ = 36836616499200. Its totient is φ = 4092614956800.

The previous prime is 13131022301303. The next prime is 13131022301321. The reversal of 13131022301320 is 2310322013131.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 13131022301291 and 13131022301300.

It is not an unprimeable number, because it can be changed into a prime (13131022301321) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 87517165 + ... + 87667075.

It is an arithmetic number, because the mean of its divisors is an integer number (287786066400).

Almost surely, 2^{13131022301320} is an apocalyptic number.

13131022301320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13131022301320 is an abundant number, since it is smaller than the sum of its proper divisors (23705594197880).

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

13131022301320 is a wasteful number, since it uses less digits than its factorization.

13131022301320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178379 (or 178375 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 13131022301320 its reverse (2310322013131), we get a palindrome (15441344314451).

The spelling of 13131022301320 in words is "thirteen trillion, one hundred thirty-one billion, twenty-two million, three hundred one thousand, three hundred twenty".