130331242432 has 28 divisors (see below), whose sum is σ = 261292319680. Its totient is φ = 64493807616.

The previous prime is 130331242429. The next prime is 130331242493. The reversal of 130331242432 is 234242133031.

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 130331242432.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 10490832 + ... + 10503247.

It is an arithmetic number, because the mean of its divisors is an integer number (9331868560).

Almost surely, 2^130331242432 is an apocalyptic number.

It is an amenable number.

130331242432 is an abundant number, since it is smaller than the sum of its proper divisors (130961077248).

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

130331242432 is an equidigital number, since it uses as much as digits as its factorization.

130331242432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20994188 (or 20994178 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 130331242432 its reverse (234242133031), we get a palindrome (364573375463).

The spelling of 130331242432 in words is "one hundred thirty billion, three hundred thirty-one million, two hundred forty-two thousand, four hundred thirty-two".