131223120300 has 54 divisors (see below), whose sum is σ = 411311583228. Its totient is φ = 34992831840.

The previous prime is 131223120289. The next prime is 131223120317. The reversal of 131223120300 is 3021322131.

131223120300 is a `hidden beast` number, since 1 + 31 + 22 + 312 + 0 + 300 = 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 pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 72900834 + ... + 72902633.

Almost surely, 2^131223120300 is an apocalyptic number.

131223120300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131223120300 is an abundant number, since it is smaller than the sum of its proper divisors (280088462928).

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

131223120300 is a wasteful number, since it uses less digits than its factorization.

131223120300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145803487 (or 145803477 counting only the distinct ones).

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

Adding to 131223120300 its reverse (3021322131), we get a palindrome (134244442431).

The spelling of 131223120300 in words is "one hundred thirty-one billion, two hundred twenty-three million, one hundred twenty thousand, three hundred".