130112320 has 56 divisors (see below), whose sum is σ = 333673704. Its totient is φ = 48039936.

The previous prime is 130112303. The next prime is 130112327. The reversal of 130112320 is 23211031.

It can be written as a sum of positive squares in 4 ways, for example, as 3594816 + 126517504 = 1896^2 + 11248^2 .

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a self number, because there is not a number n which added to its sum of digits gives 130112320.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130112327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11479 + ... + 19798.

It is an arithmetic number, because the mean of its divisors is an integer number (5958459).

Almost surely, 2^130112320 is an apocalyptic number.

130112320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130112320 is an abundant number, since it is smaller than the sum of its proper divisors (203561384).

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

130112320 is a wasteful number, since it uses less digits than its factorization.

130112320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31307 (or 31297 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 130112320 is about 11406.6787453667. The cubic root of 130112320 is about 506.7255548666.

Adding to 130112320 its reverse (23211031), we get a palindrome (153323351).

The spelling of 130112320 in words is "one hundred thirty million, one hundred twelve thousand, three hundred twenty".