131233131230220 has 48 divisors (see below), whose sum is σ = 408280852717920. Its totient is φ = 34995501661248.

The previous prime is 131233131230083. The next prime is 131233131230231. The reversal of 131233131230220 is 22032131332131.

131233131230220 is a `hidden beast` number, since 1 + 3 + 1 + 2 + 3 + 313 + 123 + 0 + 220 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 15 ways as a sum of consecutive naturals, for example, 121512158007 + ... + 121512159086.

It is an arithmetic number, because the mean of its divisors is an integer number (8505851098290).

Almost surely, 2^{131233131230220} is an apocalyptic number.

131233131230220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131233131230220 is an abundant number, since it is smaller than the sum of its proper divisors (277047721487700).

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

131233131230220 is a wasteful number, since it uses less digits than its factorization.

131233131230220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243024317111 (or 243024317103 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

Adding to 131233131230220 its reverse (22032131332131), we get a palindrome (153265262562351).

The spelling of 131233131230220 in words is "one hundred thirty-one trillion, two hundred thirty-three billion, one hundred thirty-one million, two hundred thirty thousand, two hundred twenty".