131331523054220 has 12 divisors (see below), whose sum is σ = 275796198413904. Its totient is φ = 52532609221680.

The previous prime is 131331523054201. The next prime is 131331523054223. The reversal of 131331523054220 is 22450325133131.

It is a super-2 number, since 2×131331523054220² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (131331523054223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3283288076336 + ... + 3283288076375.

It is an arithmetic number, because the mean of its divisors is an integer number (22983016534492).

Almost surely, 2^{131331523054220} is an apocalyptic number.

131331523054220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131331523054220 is an abundant number, since it is smaller than the sum of its proper divisors (144464675359684).

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

131331523054220 is a wasteful number, since it uses less digits than its factorization.

131331523054220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6566576152720 (or 6566576152718 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 35.

Adding to 131331523054220 its reverse (22450325133131), we get a palindrome (153781848187351).

The spelling of 131331523054220 in words is "one hundred thirty-one trillion, three hundred thirty-one billion, five hundred twenty-three million, fifty-four thousand, two hundred twenty".