130231230320 has 80 divisors (see below), whose sum is σ = 329714388000. Its totient is φ = 47649014784.

The previous prime is 130231230293. The next prime is 130231230323. The reversal of 130231230320 is 23032132031.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 130231230292 and 130231230301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130231230323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1433135 + ... + 1521294.

It is an arithmetic number, because the mean of its divisors is an integer number (4121429850).

Almost surely, 2^130231230320 is an apocalyptic number.

130231230320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130231230320 is an abundant number, since it is smaller than the sum of its proper divisors (199483157680).

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

130231230320 is a wasteful number, since it uses less digits than its factorization.

130231230320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2954490 (or 2954484 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 130231230320 its reverse (23032132031), we get a palindrome (153263362351).

The spelling of 130231230320 in words is "one hundred thirty billion, two hundred thirty-one million, two hundred thirty thousand, three hundred twenty".