30031308634 has 4 divisors (see below), whose sum is σ = 45046962954. Its totient is φ = 15015654316.

The previous prime is 30031308617. The next prime is 30031308641. The reversal of 30031308634 is 43680313003.

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., 21381750625 + 8649558009 = 146225^2 + 93003^2 .

It is a junction number, because it is equal to n+sod(n) for n = 30031308596 and 30031308605.

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, 7507827157 + ... + 7507827160.

Almost surely, 2^30031308634 is an apocalyptic number.

30031308634 is a deficient number, since it is larger than the sum of its proper divisors (15015654320).

30031308634 is a wasteful number, since it uses less digits than its factorization.

30031308634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15015654319.

The product of its (nonzero) digits is 15552, while the sum is 31.

The spelling of 30031308634 in words is "thirty billion, thirty-one million, three hundred eight thousand, six hundred thirty-four".