131303102221220 has 192 divisors, whose sum is σ = 290332334831616. Its totient is φ = 49820549775360.

The previous prime is 131303102221157. The next prime is 131303102221289. The reversal of 131303102221220 is 22122201303131.

It is a super-2 number, since 2×131303102221220² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4445362292 + ... + 4445391828.

It is an arithmetic number, because the mean of its divisors is an integer number (1512147577248).

Almost surely, 2^{131303102221220} is an apocalyptic number.

131303102221220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131303102221220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145166167415808).

131303102221220 is an abundant number, since it is smaller than the sum of its proper divisors (159029232610396).

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

131303102221220 is a wasteful number, since it uses less digits than its factorization.

131303102221220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30390 (or 30388 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 131303102221220 its reverse (22122201303131), we get a palindrome (153425303524351).

The spelling of 131303102221220 in words is "one hundred thirty-one trillion, three hundred three billion, one hundred two million, two hundred twenty-one thousand, two hundred twenty".