30323071906 has 4 divisors (see below), whose sum is σ = 45484607862. Its totient is φ = 15161535952.

The previous prime is 30323071903. The next prime is 30323071963. The reversal of 30323071906 is 60917032303.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 27843928225 + 2479143681 = 166865^2 + 49791^2 .

It is not an unprimeable number, because it can be changed into a prime (30323071903) 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 as a sum of consecutive naturals, namely, 7580767975 + ... + 7580767978.

Almost surely, 2^30323071906 is an apocalyptic number.

30323071906 is a deficient number, since it is larger than the sum of its proper divisors (15161535956).

30323071906 is a wasteful number, since it uses less digits than its factorization.

30323071906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15161535955.

The product of its (nonzero) digits is 20412, while the sum is 34.

The spelling of 30323071906 in words is "thirty billion, three hundred twenty-three million, seventy-one thousand, nine hundred six".