30203061 has 12 divisors (see below), whose sum is σ = 46845792. Its totient is φ = 17258808.

The previous prime is 30203059. The next prime is 30203077. The reversal of 30203061 is 16030203.

It is not a de Polignac number, because 30203061 - 2¹ = 30203059 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30203061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30203461) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 102585 + ... + 102878.

It is an arithmetic number, because the mean of its divisors is an integer number (3903816).

Almost surely, 2^30203061 is an apocalyptic number.

It is an amenable number.

30203061 is a deficient number, since it is larger than the sum of its proper divisors (16642731).

30203061 is a wasteful number, since it uses less digits than its factorization.

30203061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205480 (or 205473 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 30203061 is about 5495.7311615471. The cubic root of 30203061 is about 311.4227389078.

Adding to 30203061 its reverse (16030203), we get a palindrome (46233264).

The spelling of 30203061 in words is "thirty million, two hundred three thousand, sixty-one".