30223351240 has 16 divisors (see below), whose sum is σ = 68002540380. Its totient is φ = 12089340480.

The previous prime is 30223351199. The next prime is 30223351261. The reversal of 30223351240 is 4215332203.

It can be written as a sum of positive squares in 2 ways, for example, as 30069640836 + 153710404 = 173406^2 + 12398^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 377791851 + ... + 377791930.

Almost surely, 2^30223351240 is an apocalyptic number.

It is an amenable number.

30223351240 is an abundant number, since it is smaller than the sum of its proper divisors (37779189140).

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

30223351240 is a wasteful number, since it uses less digits than its factorization.

30223351240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 755583792 (or 755583788 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 25.

Adding to 30223351240 its reverse (4215332203), we get a palindrome (34438683443).

The spelling of 30223351240 in words is "thirty billion, two hundred twenty-three million, three hundred fifty-one thousand, two hundred forty".