131223003120 has 120 divisors (see below), whose sum is σ = 480753394992. Its totient is φ = 31811635200.

The previous prime is 131223003097. The next prime is 131223003127. The reversal of 131223003120 is 21300322131.

131223003120 is a `hidden beast` number, since 1 + 31 + 22 + 300 + 312 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

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 = 131223003093 and 131223003102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131223003127) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8276361 + ... + 8292200.

Almost surely, 2^131223003120 is an apocalyptic number.

131223003120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131223003120 is an abundant number, since it is smaller than the sum of its proper divisors (349530391872).

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

131223003120 is a wasteful number, since it uses less digits than its factorization.

131223003120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16568591 (or 16568582 counting only the distinct ones).

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

Adding to 131223003120 its reverse (21300322131), we get a palindrome (152523325251).

The spelling of 131223003120 in words is "one hundred thirty-one billion, two hundred twenty-three million, three thousand, one hundred twenty".