2351320345 has 8 divisors (see below), whose sum is σ = 3078092160. Its totient is φ = 1710051120.

The previous prime is 2351320343. The next prime is 2351320369. The reversal of 2351320345 is 5430231532.

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

It is not a de Polignac number, because 2351320345 - 2¹ = 2351320343 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2351320343) by changing a digit.

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, 21375585 + ... + 21375694.

It is an arithmetic number, because the mean of its divisors is an integer number (384761520).

Almost surely, 2^2351320345 is an apocalyptic number.

It is an amenable number.

2351320345 is a deficient number, since it is larger than the sum of its proper divisors (726771815).

2351320345 is a wasteful number, since it uses less digits than its factorization.

2351320345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42751295.

The product of its (nonzero) digits is 10800, while the sum is 28.

The square root of 2351320345 is about 48490.4149806949. The cubic root of 2351320345 is about 1329.7518418794.

Adding to 2351320345 its reverse (5430231532), we get a palindrome (7781551877).

The spelling of 2351320345 in words is "two billion, three hundred fifty-one million, three hundred twenty thousand, three hundred forty-five".