2321520117 has 8 divisors (see below), whose sum is σ = 3537554496. Its totient is φ = 1326582912.

The previous prime is 2321520107. The next prime is 2321520121. The reversal of 2321520117 is 7110251232.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2321520117 - 2¹⁶ = 2321454581 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2321520107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55274268 + ... + 55274309.

It is an arithmetic number, because the mean of its divisors is an integer number (442194312).

Almost surely, 2^2321520117 is an apocalyptic number.

It is an amenable number.

2321520117 is a deficient number, since it is larger than the sum of its proper divisors (1216034379).

2321520117 is a wasteful number, since it uses less digits than its factorization.

2321520117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110548587.

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 2321520117 is about 48182.1555868975. The cubic root of 2321520117 is about 1324.1102591081.

Adding to 2321520117 its reverse (7110251232), we get a palindrome (9431771349).

The spelling of 2321520117 in words is "two billion, three hundred twenty-one million, five hundred twenty thousand, one hundred seventeen".