130331223232 has 28 divisors (see below), whose sum is σ = 295572596560. Its totient is φ = 55856238336.

The previous prime is 130331223223. The next prime is 130331223271. The reversal of 130331223232 is 232322133031.

It is a tau number, because it is divible by the number of its divisors (28).

It is a junction number, because it is equal to n+sod(n) for n = 130331223197 and 130331223206.

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, 145458507 + ... + 145459402.

Almost surely, 2^130331223232 is an apocalyptic number.

It is an amenable number.

130331223232 is an abundant number, since it is smaller than the sum of its proper divisors (165241373328).

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

130331223232 is an equidigital number, since it uses as much as digits as its factorization.

130331223232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290917928 (or 290917918 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 130331223232 its reverse (232322133031), we get a palindrome (362653356263).

The spelling of 130331223232 in words is "one hundred thirty billion, three hundred thirty-one million, two hundred twenty-three thousand, two hundred thirty-two".