1000130320 has 40 divisors (see below), whose sum is σ = 2657490624. Its totient is φ = 342901632.

The previous prime is 1000130317. The next prime is 1000130323. The reversal of 1000130320 is 230310001.

1000130320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1000130317) and next prime (1000130323).

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 1000130297 and 1000130306.

It is not an unprimeable number, because it can be changed into a prime (1000130323) 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, 892414 + ... + 893533.

Almost surely, 2^1000130320 is an apocalyptic number.

1000130320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1000130320 is an abundant number, since it is smaller than the sum of its proper divisors (1657360304).

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

1000130320 is a wasteful number, since it uses less digits than its factorization.

1000130320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1785967 (or 1785961 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 10.

The square root of 1000130320 is about 31624.8370746791. The cubic root of 1000130320 is about 1000.0434381131.

Adding to 1000130320 its reverse (230310001), we get a palindrome (1230440321).

The spelling of 1000130320 in words is "one billion, one hundred thirty thousand, three hundred twenty".