130312380 has 96 divisors (see below), whose sum is σ = 399893760. Its totient is φ = 31444480.

The previous prime is 130312367. The next prime is 130312397. The reversal of 130312380 is 83213031.

It is a happy number.

130312380 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 228736 + ... + 229304.

It is an arithmetic number, because the mean of its divisors is an integer number (4165560).

Almost surely, 2^130312380 is an apocalyptic number.

130312380 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 130312380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (199946880).

130312380 is an abundant number, since it is smaller than the sum of its proper divisors (269581380).

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

130312380 is a wasteful number, since it uses less digits than its factorization.

130312380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 939 (or 937 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 130312380 is about 11415.4448007951. Note that the first 3 decimals coincide. The cubic root of 130312380 is about 506.9851346940.

The spelling of 130312380 in words is "one hundred thirty million, three hundred twelve thousand, three hundred eighty".