30309691296 has 48 divisors (see below), whose sum is σ = 79904470464. Its totient is φ = 10059861504.

The previous prime is 30309691277. The next prime is 30309691337. The reversal of 30309691296 is 69219690303.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 655156 + ... + 699891.

It is an arithmetic number, because the mean of its divisors is an integer number (1664676468).

Almost surely, 2^30309691296 is an apocalyptic number.

It is an amenable number.

30309691296 is an abundant number, since it is smaller than the sum of its proper divisors (49594779168).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30309691296 is a wasteful number, since it uses less digits than its factorization.

30309691296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1355293 (or 1355285 counting only the distinct ones).

The product of its (nonzero) digits is 472392, while the sum is 48.

The spelling of 30309691296 in words is "thirty billion, three hundred nine million, six hundred ninety-one thousand, two hundred ninety-six".