30161033 has 8 divisors (see below), whose sum is σ = 34537152. Its totient is φ = 25801776.

The previous prime is 30161029. The next prime is 30161039. The reversal of 30161033 is 33016103.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 30161033 - 2² = 30161029 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30161039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110 + ... + 7767.

It is an arithmetic number, because the mean of its divisors is an integer number (4317144).

Almost surely, 2^30161033 is an apocalyptic number.

It is an amenable number.

30161033 is a deficient number, since it is larger than the sum of its proper divisors (4376119).

30161033 is an equidigital number, since it uses as much as digits as its factorization.

30161033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8431.

The product of its (nonzero) digits is 162, while the sum is 17.

The square root of 30161033 is about 5491.9061353960. The cubic root of 30161033 is about 311.2782220932.

Adding to 30161033 its reverse (33016103), we get a palindrome (63177136).

The spelling of 30161033 in words is "thirty million, one hundred sixty-one thousand, thirty-three".