131330331224 has 64 divisors (see below), whose sum is σ = 262785600000. Its totient is φ = 61351475328.

The previous prime is 131330331173. The next prime is 131330331229. The reversal of 131330331224 is 422133033131.

It is a junction number, because it is equal to n+sod(n) for n = 131330331193 and 131330331202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131330331229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11365802 + ... + 11377350.

It is an arithmetic number, because the mean of its divisors is an integer number (4106025000).

Almost surely, 2^131330331224 is an apocalyptic number.

It is an amenable number.

131330331224 is an abundant number, since it is smaller than the sum of its proper divisors (131455268776).

131330331224 is a wasteful number, since it uses less digits than its factorization.

131330331224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12600 (or 12596 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 131330331224 its reverse (422133033131), we get a palindrome (553463364355).

The spelling of 131330331224 in words is "one hundred thirty-one billion, three hundred thirty million, three hundred thirty-one thousand, two hundred twenty-four".