131321200313220 has 96 divisors (see below), whose sum is σ = 380418070475520. Its totient is φ = 33807931368960.

The previous prime is 131321200313129. The next prime is 131321200313257. The reversal of 131321200313220 is 22313002123131.

It is a super-2 number, since 2×131321200313220² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12904129 + ... + 20716151.

It is an arithmetic number, because the mean of its divisors is an integer number (3962688234120).

Almost surely, 2^{131321200313220} is an apocalyptic number.

131321200313220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131321200313220 is an abundant number, since it is smaller than the sum of its proper divisors (249096870162300).

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

131321200313220 is a wasteful number, since it uses less digits than its factorization.

131321200313220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7821725 (or 7821723 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 131321200313220 its reverse (22313002123131), we get a palindrome (153634202436351).

The spelling of 131321200313220 in words is "one hundred thirty-one trillion, three hundred twenty-one billion, two hundred million, three hundred thirteen thousand, two hundred twenty".