30436931432 has 8 divisors (see below), whose sum is σ = 57069246450. Its totient is φ = 15218465712.

The previous prime is 30436931423. The next prime is 30436931477. The reversal of 30436931432 is 23413963403.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 29256734116 + 1180197316 = 171046^2 + 34354^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1902308207 + ... + 1902308222.

Almost surely, 2^30436931432 is an apocalyptic number.

It is an amenable number.

30436931432 is a deficient number, since it is larger than the sum of its proper divisors (26632315018).

30436931432 is a wasteful number, since it uses less digits than its factorization.

30436931432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3804616435 (or 3804616431 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 38.

The spelling of 30436931432 in words is "thirty billion, four hundred thirty-six million, nine hundred thirty-one thousand, four hundred thirty-two".