30225311 has 2 divisors, whose sum is σ = 30225312. Its totient is φ = 30225310.

The previous prime is 30225301. The next prime is 30225319. The reversal of 30225311 is 11352203.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30225311 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30225311.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30225319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15112655 + 15112656.

It is an arithmetic number, because the mean of its divisors is an integer number (15112656).

Almost surely, 2^30225311 is an apocalyptic number.

30225311 is a deficient number, since it is larger than the sum of its proper divisors (1).

30225311 is an equidigital number, since it uses as much as digits as its factorization.

30225311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 30225311 is about 5497.7550873061. The cubic root of 30225311 is about 311.4991931356.

Adding to 30225311 its reverse (11352203), we get a palindrome (41577514).

The spelling of 30225311 in words is "thirty million, two hundred twenty-five thousand, three hundred eleven".