30309031408 has 10 divisors (see below), whose sum is σ = 58723748384. Its totient is φ = 15154515696.

The previous prime is 30309031381. The next prime is 30309031427. The reversal of 30309031408 is 80413090303.

It is a super-2 number, since 2×30309031408² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30309031408.

It is a congruent number.

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, 947157216 + ... + 947157247.

Almost surely, 2^30309031408 is an apocalyptic number.

It is an amenable number.

30309031408 is a deficient number, since it is larger than the sum of its proper divisors (28414716976).

30309031408 is a wasteful number, since it uses less digits than its factorization.

30309031408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1894314471 (or 1894314465 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 31.

The spelling of 30309031408 in words is "thirty billion, three hundred nine million, thirty-one thousand, four hundred eight".