30980351 has 2 divisors, whose sum is σ = 30980352. Its totient is φ = 30980350.

The previous prime is 30980303. The next prime is 30980357. The reversal of 30980351 is 15308903.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 30980351 - 2²² = 26786047 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30980357) 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, 15490175 + 15490176.

It is an arithmetic number, because the mean of its divisors is an integer number (15490176).

Almost surely, 2^30980351 is an apocalyptic number.

30980351 is a deficient number, since it is larger than the sum of its proper divisors (1).

30980351 is an equidigital number, since it uses as much as digits as its factorization.

30980351 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 30980351 is about 5565.9995508444. Note that the first 3 decimals coincide. The cubic root of 30980351 is about 314.0716802561.

The spelling of 30980351 in words is "thirty million, nine hundred eighty thousand, three hundred fifty-one".