30935081 has 2 divisors, whose sum is σ = 30935082. Its totient is φ = 30935080.

The previous prime is 30935077. The next prime is 30935101. The reversal of 30935081 is 18053903.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25603600 + 5331481 = 5060^2 + 2309^2 .

It is a cyclic number.

It is not a de Polignac number, because 30935081 - 2² = 30935077 is a prime.

It is a super-2 number, since 2×30935081² = 1913958472953122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (30935881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15467540 + 15467541.

It is an arithmetic number, because the mean of its divisors is an integer number (15467541).

Almost surely, 2^30935081 is an apocalyptic number.

It is an amenable number.

30935081 is a deficient number, since it is larger than the sum of its proper divisors (1).

30935081 is an equidigital number, since it uses as much as digits as its factorization.

30935081 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 30935081 is about 5561.9314091420. The cubic root of 30935081 is about 313.9186267292.

Adding to 30935081 its reverse (18053903), we get a palindrome (48988984).

The spelling of 30935081 in words is "thirty million, nine hundred thirty-five thousand, eighty-one".