30191304390 has 64 divisors (see below), whose sum is σ = 79020748800. Its totient is φ = 7337625984.

The previous prime is 30191304389. The next prime is 30191304401. The reversal of 30191304390 is 9340319103.

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 in 31 ways as a sum of consecutive naturals, for example, 459150 + ... + 520769.

It is an arithmetic number, because the mean of its divisors is an integer number (1234699200).

Almost surely, 2^30191304390 is an apocalyptic number.

30191304390 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30191304390 is an abundant number, since it is smaller than the sum of its proper divisors (48829444410).

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

30191304390 is a wasteful number, since it uses less digits than its factorization.

30191304390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 980021.

The product of its (nonzero) digits is 8748, while the sum is 33.

The spelling of 30191304390 in words is "thirty billion, one hundred ninety-one million, three hundred four thousand, three hundred ninety".