30432355312 has 20 divisors (see below), whose sum is σ = 59386884760. Its totient is φ = 15106707648.

The previous prime is 30432355307. The next prime is 30432355319. The reversal of 30432355312 is 21355323403.

It is a super-2 number, since 2×30432355312² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30432355319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6839583 + ... + 6844030.

It is an arithmetic number, because the mean of its divisors is an integer number (2969344238).

Almost surely, 2^30432355312 is an apocalyptic number.

It is an amenable number.

30432355312 is a deficient number, since it is larger than the sum of its proper divisors (28954529448).

30432355312 is a wasteful number, since it uses less digits than its factorization.

30432355312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13683760 (or 13683754 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 31.

Adding to 30432355312 its reverse (21355323403), we get a palindrome (51787678715).

The spelling of 30432355312 in words is "thirty billion, four hundred thirty-two million, three hundred fifty-five thousand, three hundred twelve".