131323231320210 has 32 divisors (see below), whose sum is σ = 350195283521280. Its totient is φ = 35019528351984.

The previous prime is 131323231320209. The next prime is 131323231320217. The reversal of 131323231320210 is 12023132323131.

131323231320210 is a `hidden beast` number, since 1 + 3 + 1 + 3 + 2 + 323 + 1 + 320 + 2 + 10 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (131323231320217) 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, 243191168842 + ... + 243191169381.

It is an arithmetic number, because the mean of its divisors is an integer number (10943602610040).

Almost surely, 2^{131323231320210} is an apocalyptic number.

131323231320210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131323231320210 is an abundant number, since it is smaller than the sum of its proper divisors (218872052201070).

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

131323231320210 is a wasteful number, since it uses less digits than its factorization.

131323231320210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486382338239 (or 486382338233 counting only the distinct ones).

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

Adding to 131323231320210 its reverse (12023132323131), we get a palindrome (143346363643341).

The spelling of 131323231320210 in words is "one hundred thirty-one trillion, three hundred twenty-three billion, two hundred thirty-one million, three hundred twenty thousand, two hundred ten".