30310120340 has 24 divisors (see below), whose sum is σ = 63665546280. Its totient is φ = 12121325568.

The previous prime is 30310120303. The next prime is 30310120457. The reversal of 30310120340 is 4302101303.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1288953604 + 29021166736 = 35902^2 + 170356^2 .

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, 77645 + ... + 258164.

It is an arithmetic number, because the mean of its divisors is an integer number (2652731095).

Almost surely, 2^30310120340 is an apocalyptic number.

It is an amenable number.

30310120340 is an abundant number, since it is smaller than the sum of its proper divisors (33355425940).

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

30310120340 is a wasteful number, since it uses less digits than its factorization.

30310120340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340331 (or 340329 counting only the distinct ones).

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

Adding to 30310120340 its reverse (4302101303), we get a palindrome (34612221643).

The spelling of 30310120340 in words is "thirty billion, three hundred ten million, one hundred twenty thousand, three hundred forty".