131223300120 has 192 divisors, whose sum is σ = 489733171200. Its totient is φ = 30137391360.

The previous prime is 131223300097. The next prime is 131223300133. The reversal of 131223300120 is 21003322131.

131223300120 is a `hidden beast` number, since 1 + 312 + 2 + 330 + 0 + 1 + 20 = 666.

131223300120 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 131223300093 and 131223300102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 796792 + ... + 947271.

It is an arithmetic number, because the mean of its divisors is an integer number (2550693600).

Almost surely, 2^131223300120 is an apocalyptic number.

131223300120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131223300120 is an abundant number, since it is smaller than the sum of its proper divisors (358509871080).

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

131223300120 is a wasteful number, since it uses less digits than its factorization.

131223300120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1744110 (or 1744103 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 131223300120 its reverse (21003322131), we get a palindrome (152226622251).

The spelling of 131223300120 in words is "one hundred thirty-one billion, two hundred twenty-three million, three hundred thousand, one hundred twenty".