131313302320220 has 48 divisors (see below), whose sum is σ = 280995796055520. Its totient is φ = 51527879160576.

The previous prime is 131313302320181. The next prime is 131313302320231. The reversal of 131313302320220 is 22023203313131.

It is a self number, because there is not a number n which added to its sum of digits gives 131313302320220.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 856694 + ... + 16228386.

It is an arithmetic number, because the mean of its divisors is an integer number (5854079084490).

Almost surely, 2^{131313302320220} is an apocalyptic number.

131313302320220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131313302320220 is an abundant number, since it is smaller than the sum of its proper divisors (149682493735300).

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

131313302320220 is a wasteful number, since it uses less digits than its factorization.

131313302320220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15379814 (or 15379812 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 131313302320220 its reverse (22023203313131), we get a palindrome (153336505633351).

The spelling of 131313302320220 in words is "one hundred thirty-one trillion, three hundred thirteen billion, three hundred two million, three hundred twenty thousand, two hundred twenty".