130431431242 has 16 divisors (see below), whose sum is σ = 224005521600. Its totient is φ = 55796989248.

The previous prime is 130431431231. The next prime is 130431431267. The reversal of 130431431242 is 242134134031.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 130431431242.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 8508367 + ... + 8523682.

It is an arithmetic number, because the mean of its divisors is an integer number (14000345100).

Almost surely, 2^130431431242 is an apocalyptic number.

130431431242 is a deficient number, since it is larger than the sum of its proper divisors (93574090358).

130431431242 is a wasteful number, since it uses less digits than its factorization.

130431431242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17032605.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 130431431242 its reverse (242134134031), we get a palindrome (372565565273).

The spelling of 130431431242 in words is "one hundred thirty billion, four hundred thirty-one million, four hundred thirty-one thousand, two hundred forty-two".