131120333220 has 24 divisors (see below), whose sum is σ = 367136933184. Its totient is φ = 34965422176.

The previous prime is 131120333207. The next prime is 131120333231. The reversal of 131120333220 is 22333021131.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1092669384 + ... + 1092669503.

It is an arithmetic number, because the mean of its divisors is an integer number (15297372216).

Almost surely, 2^131120333220 is an apocalyptic number.

131120333220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131120333220 is an abundant number, since it is smaller than the sum of its proper divisors (236016599964).

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

131120333220 is a wasteful number, since it uses less digits than its factorization.

131120333220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2185338899 (or 2185338897 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 131120333220 its reverse (22333021131), we get a palindrome (153453354351).

The spelling of 131120333220 in words is "one hundred thirty-one billion, one hundred twenty million, three hundred thirty-three thousand, two hundred twenty".