30901361 has 2 divisors, whose sum is σ = 30901362. Its totient is φ = 30901360.

The previous prime is 30901349. The next prime is 30901369. The reversal of 30901361 is 16310903.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20757136 + 10144225 = 4556^2 + 3185^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30901361 is a prime.

It is a super-2 number, since 2×30901361² = 1909788223304642, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (30901369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15450680 + 15450681.

It is an arithmetic number, because the mean of its divisors is an integer number (15450681).

Almost surely, 2^30901361 is an apocalyptic number.

It is an amenable number.

30901361 is a deficient number, since it is larger than the sum of its proper divisors (1).

30901361 is an equidigital number, since it uses as much as digits as its factorization.

30901361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 486, while the sum is 23.

The square root of 30901361 is about 5558.8992615445. The cubic root of 30901361 is about 313.8045255839.

The spelling of 30901361 in words is "thirty million, nine hundred one thousand, three hundred sixty-one".