131320480218 has 16 divisors (see below), whose sum is σ = 276464169120. Its totient is φ = 41469625296.

The previous prime is 131320480217. The next prime is 131320480223. The reversal of 131320480218 is 812084023131.

It is a super-2 number, since 2×131320480218² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (131320480217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 575966905 + ... + 575967132.

It is an arithmetic number, because the mean of its divisors is an integer number (17279010570).

Almost surely, 2^131320480218 is an apocalyptic number.

131320480218 is an abundant number, since it is smaller than the sum of its proper divisors (145143688902).

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

131320480218 is a wasteful number, since it uses less digits than its factorization.

131320480218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1151934061.

The product of its (nonzero) digits is 9216, while the sum is 33.

The spelling of 131320480218 in words is "one hundred thirty-one billion, three hundred twenty million, four hundred eighty thousand, two hundred eighteen".