131302242402 has 32 divisors (see below), whose sum is σ = 265637914560. Its totient is φ = 43263259200.

The previous prime is 131302242377. The next prime is 131302242437. The reversal of 131302242402 is 204242203131.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 194749 + ... + 548207.

It is an arithmetic number, because the mean of its divisors is an integer number (8301184830).

Almost surely, 2^131302242402 is an apocalyptic number.

131302242402 is an abundant number, since it is smaller than the sum of its proper divisors (134335672158).

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

131302242402 is a wasteful number, since it uses less digits than its factorization.

131302242402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354178.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 131302242402 its reverse (204242203131), we get a palindrome (335544445533).

The spelling of 131302242402 in words is "one hundred thirty-one billion, three hundred two million, two hundred forty-two thousand, four hundred two".