130030320 has 120 divisors (see below), whose sum is σ = 468947664. Its totient is φ = 29718528.

The previous prime is 130030289. The next prime is 130030379. The reversal of 130030320 is 23030031.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 130030296 and 130030305.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6232 + ... + 17288.

Almost surely, 2^130030320 is an apocalyptic number.

130030320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 130030320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (234473832).

130030320 is an abundant number, since it is smaller than the sum of its proper divisors (338917344).

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

130030320 is a wasteful number, since it uses less digits than its factorization.

130030320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11087 (or 11074 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 12.

The square root of 130030320 is about 11403.0837934306. The cubic root of 130030320 is about 506.6190821732.

Adding to 130030320 its reverse (23030031), we get a palindrome (153060351).

The spelling of 130030320 in words is "one hundred thirty million, thirty thousand, three hundred twenty".