131220303300 has 108 divisors (see below), whose sum is σ = 411378350656. Its totient is φ = 34985649600.

The previous prime is 131220303289. The next prime is 131220303337. The reversal of 131220303300 is 3303022131.

131220303300 is a `hidden beast` number, since 1 + 312 + 20 + 3 + 0 + 330 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 6822297 + ... + 6841503.

Almost surely, 2^131220303300 is an apocalyptic number.

131220303300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131220303300 is an abundant number, since it is smaller than the sum of its proper divisors (280158047356).

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

131220303300 is a wasteful number, since it uses less digits than its factorization.

131220303300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26818 (or 26808 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 131220303300 its reverse (3303022131), we get a palindrome (134523325431).

The spelling of 131220303300 in words is "one hundred thirty-one billion, two hundred twenty million, three hundred three thousand, three hundred".