131341124220 has 48 divisors (see below), whose sum is σ = 367770994080. Its totient is φ = 35022790656.

The previous prime is 131341124171. The next prime is 131341124297. The reversal of 131341124220 is 22421143131.

It is a super-2 number, since 2×131341124220² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2447436 + ... + 2500524.

It is an arithmetic number, because the mean of its divisors is an integer number (7661895710).

Almost surely, 2^131341124220 is an apocalyptic number.

131341124220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131341124220 is an abundant number, since it is smaller than the sum of its proper divisors (236429869860).

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

131341124220 is a wasteful number, since it uses less digits than its factorization.

131341124220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94334 (or 94332 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 131341124220 its reverse (22421143131), we get a palindrome (153762267351).

The spelling of 131341124220 in words is "one hundred thirty-one billion, three hundred forty-one million, one hundred twenty-four thousand, two hundred twenty".