30401033 has 4 divisors (see below), whose sum is σ = 32739588. Its totient is φ = 28062480.

The previous prime is 30401003. The next prime is 30401053. The reversal of 30401033 is 33010403.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 33010403 = 47 ⋅702349.

It can be written as a sum of positive squares in 2 ways, for example, as 3485689 + 26915344 = 1867^2 + 5188^2 .

It is a cyclic number.

It is not a de Polignac number, because 30401033 - 2²⁰ = 29352457 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30400999 and 30401017.

It is not an unprimeable number, because it can be changed into a prime (30401003) 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 in 3 ways as a sum of consecutive naturals, for example, 1169258 + ... + 1169283.

It is an arithmetic number, because the mean of its divisors is an integer number (8184897).

Almost surely, 2^30401033 is an apocalyptic number.

It is an amenable number.

30401033 is a deficient number, since it is larger than the sum of its proper divisors (2338555).

30401033 is a wasteful number, since it uses less digits than its factorization.

30401033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2338554.

The product of its (nonzero) digits is 108, while the sum is 14.

The square root of 30401033 is about 5513.7131771611. The cubic root of 30401033 is about 312.1016851606.

Adding to 30401033 its reverse (33010403), we get a palindrome (63411436).

The spelling of 30401033 in words is "thirty million, four hundred one thousand, thirty-three".