131201233002 has 32 divisors (see below), whose sum is σ = 333209481600. Its totient is φ = 37486066464.

The previous prime is 131201232989. The next prime is 131201233003. The reversal of 131201233002 is 200332102131.

131201233002 is a `hidden beast` number, since 131 + 201 + 2 + 330 + 0 + 2 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (131201233003) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 173546227 + ... + 173546982.

It is an arithmetic number, because the mean of its divisors is an integer number (10412796300).

Almost surely, 2^131201233002 is an apocalyptic number.

131201233002 is an abundant number, since it is smaller than the sum of its proper divisors (202008248598).

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

131201233002 is a wasteful number, since it uses less digits than its factorization.

131201233002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347093227 (or 347093221 counting only the distinct ones).

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

Adding to 131201233002 its reverse (200332102131), we get a palindrome (331533335133).

The spelling of 131201233002 in words is "one hundred thirty-one billion, two hundred one million, two hundred thirty-three thousand, two".