30143432140 has 24 divisors (see below), whose sum is σ = 64648043712. Its totient is φ = 11800832640.

The previous prime is 30143432129. The next prime is 30143432147. The reversal of 30143432140 is 4123434103.

It is not an unprimeable number, because it can be changed into a prime (30143432147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16032801 + ... + 16034680.

It is an arithmetic number, because the mean of its divisors is an integer number (2693668488).

Almost surely, 2^30143432140 is an apocalyptic number.

It is an amenable number.

30143432140 is an abundant number, since it is smaller than the sum of its proper divisors (34504611572).

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

30143432140 is a wasteful number, since it uses less digits than its factorization.

30143432140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32067537 (or 32067535 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 30143432140 its reverse (4123434103), we get a palindrome (34266866243).

The spelling of 30143432140 in words is "thirty billion, one hundred forty-three million, four hundred thirty-two thousand, one hundred forty".