30433013 has 6 divisors (see below), whose sum is σ = 32954274. Its totient is φ = 28091856.

The previous prime is 30432959. The next prime is 30433021. The reversal of 30433013 is 31033403.

It can be written as a sum of positive squares in 3 ways, for example, as 380689 + 30052324 = 617^2 + 5482^2 .

It is not a de Polignac number, because 30433013 - 2²⁴ = 13655797 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30432982 and 30433000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30433063) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 89870 + ... + 90207.

It is an arithmetic number, because the mean of its divisors is an integer number (5492379).

Almost surely, 2^30433013 is an apocalyptic number.

It is an amenable number.

30433013 is a deficient number, since it is larger than the sum of its proper divisors (2521261).

30433013 is a wasteful number, since it uses less digits than its factorization.

30433013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180103 (or 180090 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 17.

The square root of 30433013 is about 5516.6124569341. The cubic root of 30433013 is about 312.2110840105.

Adding to 30433013 its reverse (31033403), we get a palindrome (61466416).

The spelling of 30433013 in words is "thirty million, four hundred thirty-three thousand, thirteen".