130304320232 has 16 divisors (see below), whose sum is σ = 250279640100. Its totient is φ = 63563082880.

The previous prime is 130304320183. The next prime is 130304320243. The reversal of 130304320232 is 232023403031.

It can be written as a sum of positive squares in 2 ways, for example, as 81730804996 + 48573515236 = 285886^2 + 220394^2 .

It is a super-2 number, since 2×130304320232² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 130304320198 and 130304320207.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 198634307 + ... + 198634962.

Almost surely, 2^130304320232 is an apocalyptic number.

It is an amenable number.

130304320232 is a deficient number, since it is larger than the sum of its proper divisors (119975319868).

130304320232 is a wasteful number, since it uses less digits than its factorization.

130304320232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397269316 (or 397269312 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 130304320232 its reverse (232023403031), we get a palindrome (362327723263).

The spelling of 130304320232 in words is "one hundred thirty billion, three hundred four million, three hundred twenty thousand, two hundred thirty-two".