30643111240 has 32 divisors (see below), whose sum is σ = 78796572480. Its totient is φ = 10506209472.

The previous prime is 30643111193. The next prime is 30643111259. The reversal of 30643111240 is 4211134603.

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, 54719562 + ... + 54720121.

It is an arithmetic number, because the mean of its divisors is an integer number (2462392890).

Almost surely, 2^30643111240 is an apocalyptic number.

It is an amenable number.

30643111240 is an abundant number, since it is smaller than the sum of its proper divisors (48153461240).

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

30643111240 is a wasteful number, since it uses less digits than its factorization.

30643111240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109439701 (or 109439697 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 30643111240 its reverse (4211134603), we get a palindrome (34854245843).

The spelling of 30643111240 in words is "thirty billion, six hundred forty-three million, one hundred eleven thousand, two hundred forty".