30447527161 has 4 divisors (see below), whose sum is σ = 31155609232. Its totient is φ = 29739445092.

The previous prime is 30447527147. The next prime is 30447527179. The reversal of 30447527161 is 16172574403.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 16172574403 = 2371 ⋅6820993.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30447527161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30447027161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 354040971 + ... + 354041056.

It is an arithmetic number, because the mean of its divisors is an integer number (7788902308).

Almost surely, 2^30447527161 is an apocalyptic number.

It is an amenable number.

30447527161 is a deficient number, since it is larger than the sum of its proper divisors (708082071).

30447527161 is an equidigital number, since it uses as much as digits as its factorization.

30447527161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 708082070.

The product of its (nonzero) digits is 141120, while the sum is 40.

The spelling of 30447527161 in words is "thirty billion, four hundred forty-seven million, five hundred twenty-seven thousand, one hundred sixty-one".