30738313 has 2 divisors, whose sum is σ = 30738314. Its totient is φ = 30738312.

The previous prime is 30738311. The next prime is 30738343. The reversal of 30738313 is 31383703.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16540489 + 14197824 = 4067^2 + 3768^2 .

It is a cyclic number.

It is not a de Polignac number, because 30738313 - 2¹ = 30738311 is a prime.

Together with 30738311, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (30738311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15369156 + 15369157.

It is an arithmetic number, because the mean of its divisors is an integer number (15369157).

Almost surely, 2^30738313 is an apocalyptic number.

It is an amenable number.

30738313 is a deficient number, since it is larger than the sum of its proper divisors (1).

30738313 is an equidigital number, since it uses as much as digits as its factorization.

30738313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 28.

The square root of 30738313 is about 5544.2143717573. The cubic root of 30738313 is about 313.2516324131.

The spelling of 30738313 in words is "thirty million, seven hundred thirty-eight thousand, three hundred thirteen".