30269388361 has 3 divisors (see below), whose sum is σ = 30269562343. Its totient is φ = 30269214380.

The previous prime is 30269388287. The next prime is 30269388451. The reversal of 30269388361 is 16388396203.

It is a happy number.

The square root of 30269388361 is 173981.

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

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 16388396203 = 167 ⋅98134109.

It can be written as a sum of positive squares in only one way, i.e., 19063048761 + 11206339600 = 138069^2 + 105860^2 .

It is not a de Polignac number, because 30269388361 - 2⁹ = 30269387849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30269386361) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 86991 + ... + 260971.

Almost surely, 2^30269388361 is an apocalyptic number.

30269388361 is the 173981-st square number.

30269388361 is the 86991-st centered octagonal number.

It is an amenable number.

30269388361 is a deficient number, since it is larger than the sum of its proper divisors (173982).

30269388361 is an frugal number, since it uses more digits than its factorization.

30269388361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347962 (or 173981 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 49.

Multiplying 30269388361 by its sum of digits (49), we get a square (1483200029689 = 1217867²).

The spelling of 30269388361 in words is "thirty billion, two hundred sixty-nine million, three hundred eighty-eight thousand, three hundred sixty-one".