30317426161 has 15 divisors (see below), whose sum is σ = 33372152905. Its totient is φ = 27542143420.

The previous prime is 30317426143. The next prime is 30317426173. The reversal of 30317426161 is 16162471303.

The square root of 30317426161 is 174119.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 30317426161 - 2¹⁷ = 30317295089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30317426861) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 21067680 + ... + 21069118.

Almost surely, 2^30317426161 is an apocalyptic number.

30317426161 is the 174119-th square number.

30317426161 is the 87060-th centered octagonal number.

It is an amenable number.

30317426161 is a deficient number, since it is larger than the sum of its proper divisors (3054726744).

30317426161 is an frugal number, since it uses more digits than its factorization.

30317426161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2922 (or 1450 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 34.

Adding to 30317426161 its reverse (16162471303), we get a palindrome (46479897464).

The spelling of 30317426161 in words is "thirty billion, three hundred seventeen million, four hundred twenty-six thousand, one hundred sixty-one".