30031220132 has 24 divisors (see below), whose sum is σ = 53093494272. Its totient is φ = 14861808000.

The previous prime is 30031220117. The next prime is 30031220143. The reversal of 30031220132 is 23102213003.

It is a self number, because there is not a number n which added to its sum of digits gives 30031220132.

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, 785132 + ... + 822492.

It is an arithmetic number, because the mean of its divisors is an integer number (2212228928).

Almost surely, 2^30031220132 is an apocalyptic number.

It is an amenable number.

30031220132 is a deficient number, since it is larger than the sum of its proper divisors (23062274140).

30031220132 is a wasteful number, since it uses less digits than its factorization.

30031220132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39419 (or 39417 counting only the distinct ones).

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

Adding to 30031220132 its reverse (23102213003), we get a palindrome (53133433135).

The spelling of 30031220132 in words is "thirty billion, thirty-one million, two hundred twenty thousand, one hundred thirty-two".