30930503 has 2 divisors, whose sum is σ = 30930504. Its totient is φ = 30930502.

The previous prime is 30930457. The next prime is 30930521. The reversal of 30930503 is 30503903.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 30930503 - 2⁶ = 30930439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30930533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15465251 + 15465252.

It is an arithmetic number, because the mean of its divisors is an integer number (15465252).

Almost surely, 2^30930503 is an apocalyptic number.

30930503 is a deficient number, since it is larger than the sum of its proper divisors (1).

30930503 is an equidigital number, since it uses as much as digits as its factorization.

30930503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1215, while the sum is 23.

The square root of 30930503 is about 5561.5198462291. The cubic root of 30930503 is about 313.9031406389.

The spelling of 30930503 in words is "thirty million, nine hundred thirty thousand, five hundred three".