131402002342242 has 48 divisors (see below), whose sum is σ = 277589104797312. Its totient is φ = 41461659652320.

The previous prime is 131402002342229. The next prime is 131402002342243. The reversal of 131402002342242 is 242243200204131.

It is not an unprimeable number, because it can be changed into a prime (131402002342243) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21974493 + ... + 27307184.

It is an arithmetic number, because the mean of its divisors is an integer number (5783106349944).

Almost surely, 2^{131402002342242} is an apocalyptic number.

131402002342242 is an abundant number, since it is smaller than the sum of its proper divisors (146187102455070).

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

131402002342242 is a wasteful number, since it uses less digits than its factorization.

131402002342242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49282951 (or 49282932 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 131402002342242 its reverse (242243200204131), we get a palindrome (373645202546373).

The spelling of 131402002342242 in words is "one hundred thirty-one trillion, four hundred two billion, two million, three hundred forty-two thousand, two hundred forty-two".