130320351432 has 24 divisors (see below), whose sum is σ = 352950951990. Its totient is φ = 43440117120.

The previous prime is 130320351361. The next prime is 130320351439. The reversal of 130320351432 is 234153023031.

130320351432 is a `hidden beast` number, since 1 + 303 + 2 + 0 + 351 + 4 + 3 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 102660004836 + 27660346596 = 320406^2 + 166314^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a junction number, because it is equal to n+sod(n) for n = 130320351396 and 130320351405.

It is not an unprimeable number, because it can be changed into a prime (130320351439) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 905002369 + ... + 905002512.

Almost surely, 2^130320351432 is an apocalyptic number.

130320351432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

130320351432 is an abundant number, since it is smaller than the sum of its proper divisors (222630600558).

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

130320351432 is a wasteful number, since it uses less digits than its factorization.

130320351432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1810004893 (or 1810004886 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

Adding to 130320351432 its reverse (234153023031), we get a palindrome (364473374463).

The spelling of 130320351432 in words is "one hundred thirty billion, three hundred twenty million, three hundred fifty-one thousand, four hundred thirty-two".