131321023003320 has 64 divisors (see below), whose sum is σ = 398709612040320. Its totient is φ = 34597024531584.

The previous prime is 131321023003283. The next prime is 131321023003327. The reversal of 131321023003320 is 23300320123131.

It is a super-2 number, since 2×131321023003320² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131321023003327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6592410874 + ... + 6592430793.

It is an arithmetic number, because the mean of its divisors is an integer number (6229837688130).

Almost surely, 2^{131321023003320} is an apocalyptic number.

131321023003320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131321023003320 is an abundant number, since it is smaller than the sum of its proper divisors (267388589037000).

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

131321023003320 is a wasteful number, since it uses less digits than its factorization.

131321023003320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13184841764 (or 13184841760 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 131321023003320 its reverse (23300320123131), we get a palindrome (154621343126451).

The spelling of 131321023003320 in words is "one hundred thirty-one trillion, three hundred twenty-one billion, twenty-three million, three thousand, three hundred twenty".