30105032432 has 40 divisors (see below), whose sum is σ = 58690770336. Its totient is φ = 14959190016.

The previous prime is 30105032431. The next prime is 30105032483. The reversal of 30105032432 is 23423050103.

It is a junction number, because it is equal to n+sod(n) for n = 30105032398 and 30105032407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30105032431) 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, 3383093 + ... + 3391979.

Almost surely, 2^30105032432 is an apocalyptic number.

It is an amenable number.

30105032432 is a deficient number, since it is larger than the sum of its proper divisors (28585737904).

30105032432 is a wasteful number, since it uses less digits than its factorization.

30105032432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10185 (or 10179 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 23.

Adding to 30105032432 its reverse (23423050103), we get a palindrome (53528082535).

The spelling of 30105032432 in words is "thirty billion, one hundred five million, thirty-two thousand, four hundred thirty-two".