131002042201002 has 32 divisors (see below), whose sum is σ = 332703599241600. Its totient is φ = 37429154914464.

The previous prime is 131002042200961. The next prime is 131002042201007. The reversal of 131002042201002 is 200102240200131.

It is a happy number.

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 (131002042201007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 173283124227 + ... + 173283124982.

It is an arithmetic number, because the mean of its divisors is an integer number (10396987476300).

Almost surely, 2^{131002042201002} is an apocalyptic number.

131002042201002 is an abundant number, since it is smaller than the sum of its proper divisors (201701557040598).

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

131002042201002 is a wasteful number, since it uses less digits than its factorization.

131002042201002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346566249227 (or 346566249221 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 131002042201002 its reverse (200102240200131), we get a palindrome (331104282401133).

The spelling of 131002042201002 in words is "one hundred thirty-one trillion, two billion, forty-two million, two hundred one thousand, two".