130531433232 has 80 divisors (see below), whose sum is σ = 338528332800. Its totient is φ = 43340153856.

The previous prime is 130531433231. The next prime is 130531433233. The reversal of 130531433232 is 232334135031.

It is an interprime number because it is at equal distance from previous prime (130531433231) and next prime (130531433233).

It is a self number, because there is not a number n which added to its sum of digits gives 130531433232.

It is not an unprimeable number, because it can be changed into a prime (130531433231) by changing a digit.

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, 18373393 + ... + 18380495.

It is an arithmetic number, because the mean of its divisors is an integer number (4231604160).

Almost surely, 2^130531433232 is an apocalyptic number.

130531433232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

130531433232 is an abundant number, since it is smaller than the sum of its proper divisors (207996899568).

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

130531433232 is a wasteful number, since it uses less digits than its factorization.

130531433232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8560 (or 8554 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 30.

Adding to 130531433232 its reverse (232334135031), we get a palindrome (362865568263).

The spelling of 130531433232 in words is "one hundred thirty billion, five hundred thirty-one million, four hundred thirty-three thousand, two hundred thirty-two".