30211124240 has 40 divisors (see below), whose sum is σ = 76626399168. Its totient is φ = 10985863040.

The previous prime is 30211124221. The next prime is 30211124263. The reversal of 30211124240 is 4242111203.

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

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 17164532 + ... + 17166291.

Almost surely, 2^30211124240 is an apocalyptic number.

It is an amenable number.

30211124240 is an abundant number, since it is smaller than the sum of its proper divisors (46415274928).

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

30211124240 is a wasteful number, since it uses less digits than its factorization.

30211124240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34330847 (or 34330841 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 30211124240 its reverse (4242111203), we get a palindrome (34453235443).

It can be divided in two parts, 30211 and 124240, that added together give a palindrome (154451).

The spelling of 30211124240 in words is "thirty billion, two hundred eleven million, one hundred twenty-four thousand, two hundred forty".