131131244242002 has 32 divisors (see below), whose sum is σ = 265857150667392. Its totient is φ = 43111313506944.

The previous prime is 131131244241941. The next prime is 131131244242043. The reversal of 131131244242002 is 200242442131131.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60178123 + ... + 62319089.

It is an arithmetic number, because the mean of its divisors is an integer number (8308035958356).

Almost surely, 2^{131131244242002} is an apocalyptic number.

131131244242002 is an abundant number, since it is smaller than the sum of its proper divisors (134725906425390).

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

131131244242002 is a wasteful number, since it uses less digits than its factorization.

131131244242002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2280882.

The product of its (nonzero) digits is 9216, while the sum is 30.

Adding to 131131244242002 its reverse (200242442131131), we get a palindrome (331373686373133).

The spelling of 131131244242002 in words is "one hundred thirty-one trillion, one hundred thirty-one billion, two hundred forty-four million, two hundred forty-two thousand, two".