30317742873 has 48 divisors (see below), whose sum is σ = 49477588992. Its totient is φ = 17729964000.

The previous prime is 30317742857. The next prime is 30317742887. The reversal of 30317742873 is 37824771303.

It is not a de Polignac number, because 30317742873 - 2⁴ = 30317742857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30317742823) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 284478 + ... + 376248.

It is an arithmetic number, because the mean of its divisors is an integer number (1030783104).

Almost surely, 2^30317742873 is an apocalyptic number.

30317742873 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

30317742873 is a deficient number, since it is larger than the sum of its proper divisors (19159846119).

30317742873 is a wasteful number, since it uses less digits than its factorization.

30317742873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91906 (or 91903 counting only the distinct ones).

The product of its (nonzero) digits is 592704, while the sum is 45.

The spelling of 30317742873 in words is "thirty billion, three hundred seventeen million, seven hundred forty-two thousand, eight hundred seventy-three".