30513438505 has 8 divisors (see below), whose sum is σ = 39944865024. Its totient is φ = 22191591600.

The previous prime is 30513438491. The next prime is 30513438511. The reversal of 30513438505 is 50583431503.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 30513438505 - 2³¹ = 28365954857 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 277394841 + ... + 277394950.

It is an arithmetic number, because the mean of its divisors is an integer number (4993108128).

Almost surely, 2^30513438505 is an apocalyptic number.

It is an amenable number.

30513438505 is a deficient number, since it is larger than the sum of its proper divisors (9431426519).

30513438505 is a wasteful number, since it uses less digits than its factorization.

30513438505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554789807.

The product of its (nonzero) digits is 108000, while the sum is 37.

The spelling of 30513438505 in words is "thirty billion, five hundred thirteen million, four hundred thirty-eight thousand, five hundred five".