30302307918 has 12 divisors (see below), whose sum is σ = 65655000528. Its totient is φ = 10100769300.

The previous prime is 30302307911. The next prime is 30302307977. The reversal of 30302307918 is 81970320303.

It is a happy number.

30302307918 is a `hidden beast` number, since 30 + 302 + 307 + 9 + 18 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30302307911) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 841730758 + ... + 841730793.

It is an arithmetic number, because the mean of its divisors is an integer number (5471250044).

Almost surely, 2^30302307918 is an apocalyptic number.

30302307918 is an abundant number, since it is smaller than the sum of its proper divisors (35352692610).

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

30302307918 is a wasteful number, since it uses less digits than its factorization.

30302307918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1683461559 (or 1683461556 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The spelling of 30302307918 in words is "thirty billion, three hundred two million, three hundred seven thousand, nine hundred eighteen".