30148211 has 2 divisors, whose sum is σ = 30148212. Its totient is φ = 30148210.

The previous prime is 30148199. The next prime is 30148241. The reversal of 30148211 is 11284103.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30148211 - 2¹⁸ = 29886067 is a prime.

It is a zygodrome in base 2.

It is not a weakly prime, because it can be changed into another prime (30148241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15074105 + 15074106.

It is an arithmetic number, because the mean of its divisors is an integer number (15074106).

Almost surely, 2^30148211 is an apocalyptic number.

30148211 is a deficient number, since it is larger than the sum of its proper divisors (1).

30148211 is an equidigital number, since it uses as much as digits as its factorization.

30148211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 30148211 is about 5490.7386570479. The cubic root of 30148211 is about 311.2341058426.

The spelling of 30148211 in words is "thirty million, one hundred forty-eight thousand, two hundred eleven".