130331032321 has 32 divisors (see below), whose sum is σ = 162099463680. Its totient is φ = 102220102656.

The previous prime is 130331032313. The next prime is 130331032331. The reversal of 130331032321 is 123230133031.

It is not a de Polignac number, because 130331032321 - 2³ = 130331032313 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 130331032292 and 130331032301.

It is not an unprimeable number, because it can be changed into a prime (130331032301) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6034540 + ... + 6056098.

It is an arithmetic number, because the mean of its divisors is an integer number (5065608240).

Almost surely, 2^130331032321 is an apocalyptic number.

It is an amenable number.

130331032321 is a deficient number, since it is larger than the sum of its proper divisors (31768431359).

130331032321 is a wasteful number, since it uses less digits than its factorization.

130331032321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22993.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 130331032321 its reverse (123230133031), we get a palindrome (253561165352).

The spelling of 130331032321 in words is "one hundred thirty billion, three hundred thirty-one million, thirty-two thousand, three hundred twenty-one".