30135331 has 2 divisors, whose sum is σ = 30135332. Its totient is φ = 30135330.

The previous prime is 30135307. The next prime is 30135341. The reversal of 30135331 is 13353103.

It is a strong prime.

It is an emirp because it is prime and its reverse (13353103) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30135331 - 2⁵ = 30135299 is a prime.

It is a super-2 number, since 2×30135331² = 1816276348959122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30135299 and 30135308.

It is not a weakly prime, because it can be changed into another prime (30135341) 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, 15067665 + 15067666.

It is an arithmetic number, because the mean of its divisors is an integer number (15067666).

Almost surely, 2^30135331 is an apocalyptic number.

30135331 is a deficient number, since it is larger than the sum of its proper divisors (1).

30135331 is an equidigital number, since it uses as much as digits as its factorization.

30135331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 405, while the sum is 19.

The square root of 30135331 is about 5489.5656476628. The cubic root of 30135331 is about 311.1897774379.

Adding to 30135331 its reverse (13353103), we get a palindrome (43488434).

The spelling of 30135331 in words is "thirty million, one hundred thirty-five thousand, three hundred thirty-one".