30331045 has 8 divisors (see below), whose sum is σ = 36444024. Its totient is φ = 24233664.

The previous prime is 30331033. The next prime is 30331061. The reversal of 30331045 is 54013303.

It can be written as a sum of positive squares in 4 ways, for example, as 9253764 + 21077281 = 3042^2 + 4591^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30331045 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 927 + ... + 7843.

It is an arithmetic number, because the mean of its divisors is an integer number (4555503).

Almost surely, 2^30331045 is an apocalyptic number.

It is an amenable number.

30331045 is a deficient number, since it is larger than the sum of its proper divisors (6112979).

30331045 is an equidigital number, since it uses as much as digits as its factorization.

30331045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7799.

The product of its (nonzero) digits is 540, while the sum is 19.

The square root of 30331045 is about 5507.3627990173. The cubic root of 30331045 is about 311.8619986066.

Adding to 30331045 its reverse (54013303), we get a palindrome (84344348).

The spelling of 30331045 in words is "thirty million, three hundred thirty-one thousand, forty-five".