30970016289 has 9 divisors (see below), whose sum is σ = 44735230579. Its totient is φ = 20646325560.

The previous prime is 30970016267. The next prime is 30970016293. The reversal of 30970016289 is 98261007903.

The square root of 30970016289 is 175983.

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

It can be written as a sum of positive squares in only one way, i.e., 2483327889 + 28486688400 = 49833^2 + 168780^2 .

It is a tau number, because it is divible by the number of its divisors (9).

It is a de Polignac number, because none of the positive numbers 2^k-30970016289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30970012289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 498619 + ... + 557279.

Almost surely, 2^30970016289 is an apocalyptic number.

30970016289 is the 175983-rd square number.

30970016289 is the 87992-nd centered octagonal number.

It is an amenable number.

30970016289 is a deficient number, since it is larger than the sum of its proper divisors (13765214290).

30970016289 is an frugal number, since it uses more digits than its factorization.

30970016289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117328 (or 58664 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The spelling of 30970016289 in words is "thirty billion, nine hundred seventy million, sixteen thousand, two hundred eighty-nine".