30461077721 has 8 divisors (see below), whose sum is σ = 30867177600. Its totient is φ = 30057641248.

The previous prime is 30461077657. The next prime is 30461077747. The reversal of 30461077721 is 12777016403.

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

It is a cyclic number.

It is not a de Polignac number, because 30461077721 - 2⁶ = 30461077657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30461071721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 642821 + ... + 688578.

It is an arithmetic number, because the mean of its divisors is an integer number (3858397200).

Almost surely, 2^30461077721 is an apocalyptic number.

It is an amenable number.

30461077721 is a deficient number, since it is larger than the sum of its proper divisors (406099879).

30461077721 is a wasteful number, since it uses less digits than its factorization.

30461077721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1331703.

The product of its (nonzero) digits is 49392, while the sum is 38.

The spelling of 30461077721 in words is "thirty billion, four hundred sixty-one million, seventy-seven thousand, seven hundred twenty-one".