30541254221 has 2 divisors, whose sum is σ = 30541254222. Its totient is φ = 30541254220.

The previous prime is 30541254217. The next prime is 30541254241. The reversal of 30541254221 is 12245214503.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18356185225 + 12185068996 = 135485^2 + 110386^2 .

It is a cyclic number.

It is not a de Polignac number, because 30541254221 - 2² = 30541254217 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30541254241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15270627110 + 15270627111.

It is an arithmetic number, because the mean of its divisors is an integer number (15270627111).

Almost surely, 2^30541254221 is an apocalyptic number.

It is an amenable number.

30541254221 is a deficient number, since it is larger than the sum of its proper divisors (1).

30541254221 is an equidigital number, since it uses as much as digits as its factorization.

30541254221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9600, while the sum is 29.

Adding to 30541254221 its reverse (12245214503), we get a palindrome (42786468724).

The spelling of 30541254221 in words is "thirty billion, five hundred forty-one million, two hundred fifty-four thousand, two hundred twenty-one".