30211654225 has 9 divisors (see below), whose sum is σ = 37463528923. Its totient is φ = 24168628120.

The previous prime is 30211654223. The next prime is 30211654243. The reversal of 30211654225 is 52245611203.

The square root of 30211654225 is 173815.

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., 10876195521 + 19335458704 = 104289^2 + 139052^2 .

It is not a de Polignac number, because 30211654225 - 2¹ = 30211654223 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30211654223) 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, 851694 + ... + 886456.

Almost surely, 2^30211654225 is an apocalyptic number.

30211654225 is the 173815-th square number.

30211654225 is the 86908-th centered octagonal number.

It is an amenable number.

30211654225 is a deficient number, since it is larger than the sum of its proper divisors (7251874698).

30211654225 is an frugal number, since it uses more digits than its factorization.

30211654225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69536 (or 34768 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

Multiplying 30211654225 by its product of nonzero digits (14400), we get a square (435047820840000 = 20857800²).

The spelling of 30211654225 in words is "thirty billion, two hundred eleven million, six hundred fifty-four thousand, two hundred twenty-five".