30934121 has 2 divisors, whose sum is σ = 30934122. Its totient is φ = 30934120.

The previous prime is 30934073. The next prime is 30934133. The reversal of 30934121 is 12143903.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19678096 + 11256025 = 4436^2 + 3355^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30934121 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (30934721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15467060 + 15467061.

It is an arithmetic number, because the mean of its divisors is an integer number (15467061).

Almost surely, 2^30934121 is an apocalyptic number.

It is an amenable number.

30934121 is a deficient number, since it is larger than the sum of its proper divisors (1).

30934121 is an equidigital number, since it uses as much as digits as its factorization.

30934121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 30934121 is about 5561.8451075160. The cubic root of 30934121 is about 313.9153794450.

The spelling of 30934121 in words is "thirty million, nine hundred thirty-four thousand, one hundred twenty-one".