2321130320 has 40 divisors (see below), whose sum is σ = 5411981736. Its totient is φ = 925810688.

The previous prime is 2321130319. The next prime is 2321130373. The reversal of 2321130320 is 230311232.

It can be written as a sum of positive squares in 4 ways, for example, as 11751184 + 2309379136 = 3428^2 + 48056^2 .

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12857 + ... + 69336.

Almost surely, 2^2321130320 is an apocalyptic number.

2321130320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2321130320 is an abundant number, since it is smaller than the sum of its proper divisors (3090851416).

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

2321130320 is a wasteful number, since it uses less digits than its factorization.

2321130320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82559 (or 82553 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 2321130320 is about 48178.1103822057. The cubic root of 2321130320 is about 1324.0361463040.

Adding to 2321130320 its reverse (230311232), we get a palindrome (2551441552).

The spelling of 2321130320 in words is "two billion, three hundred twenty-one million, one hundred thirty thousand, three hundred twenty".