30538180361 has 8 divisors (see below), whose sum is σ = 32888643144. Its totient is φ = 28187913600.

The previous prime is 30538180357. The next prime is 30538180373. The reversal of 30538180361 is 16308183503.

It can be written as a sum of positive squares in 4 ways, for example, as 7489171600 + 23049008761 = 86540^2 + 151819^2 .

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 30538180361 - 2² = 30538180357 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30538180381) 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, 515315 + ... + 571511.

It is an arithmetic number, because the mean of its divisors is an integer number (4111080393).

Almost surely, 2^30538180361 is an apocalyptic number.

It is an amenable number.

30538180361 is a deficient number, since it is larger than the sum of its proper divisors (2350462783).

30538180361 is a wasteful number, since it uses less digits than its factorization.

30538180361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98011.

The product of its (nonzero) digits is 51840, while the sum is 38.

The spelling of 30538180361 in words is "thirty billion, five hundred thirty-eight million, one hundred eighty thousand, three hundred sixty-one".