30234602161 has 9 divisors (see below), whose sum is σ = 30997326529. Its totient is φ = 29490217600.

The previous prime is 30234602147. The next prime is 30234602201. The reversal of 30234602161 is 16120643203.

The square root of 30234602161 is 173881.

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

It can be written as a sum of positive squares in 4 ways, for example, as 291760561 + 29942841600 = 17081^2 + 173040^2 .

It is not a de Polignac number, because 30234602161 - 2¹³ = 30234593969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30234602261) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 7127001 + ... + 7131241.

Almost surely, 2^30234602161 is an apocalyptic number.

30234602161 is the 173881-st square number.

30234602161 is the 86941-st centered octagonal number.

It is an amenable number.

30234602161 is a deficient number, since it is larger than the sum of its proper divisors (762724368).

30234602161 is an frugal number, since it uses more digits than its factorization.

30234602161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8564 (or 4282 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

Multiplying 30234602161 by its product of nonzero digits (5184), we get a square (156736177602624 = 12519432²).

The spelling of 30234602161 in words is "thirty billion, two hundred thirty-four million, six hundred two thousand, one hundred sixty-one".