1000100320 has 48 divisors (see below), whose sum is σ = 2396042208. Its totient is φ = 394401280.

The previous prime is 1000100303. The next prime is 1000100341. The reversal of 1000100320 is 230010001.

1000100320 is digitally balanced in base 2, 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 7 ways as a sum of consecutive naturals, for example, 32659 + ... + 55378.

It is an arithmetic number, because the mean of its divisors is an integer number (49917546).

Almost surely, 2^1000100320 is an apocalyptic number.

1000100320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1000100320 is an abundant number, since it is smaller than the sum of its proper divisors (1395941888).

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

1000100320 is an equidigital number, since it uses as much as digits as its factorization.

1000100320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88123 (or 88115 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 7.

The square root of 1000100320 is about 31624.3627603783. The cubic root of 1000100320 is about 1000.0334388818.

Adding to 1000100320 its reverse (230010001), we get a palindrome (1230110321).

The spelling of 1000100320 in words is "one billion, one hundred thousand, three hundred twenty".