131322201210 has 64 divisors (see below), whose sum is σ = 350284982400. Its totient is φ = 35010009216.

The previous prime is 131322201187. The next prime is 131322201211. The reversal of 131322201210 is 12102223131.

131322201210 is a `hidden beast` number, since 131 + 322 + 2 + 0 + 1 + 210 = 666.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (131322201211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 992646 + ... + 1117134.

It is an arithmetic number, because the mean of its divisors is an integer number (5473202850).

Almost surely, 2^131322201210 is an apocalyptic number.

131322201210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131322201210 is an abundant number, since it is smaller than the sum of its proper divisors (218962781190).

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

131322201210 is a wasteful number, since it uses less digits than its factorization.

131322201210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128412 (or 128406 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 131322201210 its reverse (12102223131), we get a palindrome (143424424341).

The spelling of 131322201210 in words is "one hundred thirty-one billion, three hundred twenty-two million, two hundred one thousand, two hundred ten".