30721175005146 has 8 divisors (see below), whose sum is σ = 61442350010304. Its totient is φ = 10240391668380.

The previous prime is 30721175005121. The next prime is 30721175005237. The reversal of 30721175005146 is 64150057112703.

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

30721175005146 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 30721175005098 and 30721175005107.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2560097917090 + ... + 2560097917101.

It is an arithmetic number, because the mean of its divisors is an integer number (7680293751288).

Almost surely, 2^{30721175005146} is an apocalyptic number.

30721175005146 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

30721175005146 is a wasteful number, since it uses less digits than its factorization.

30721175005146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5120195834196.

The product of its (nonzero) digits is 176400, while the sum is 42.

The spelling of 30721175005146 in words is "thirty trillion, seven hundred twenty-one billion, one hundred seventy-five million, five thousand, one hundred forty-six".