30345030 has 40 divisors (see below), whose sum is σ = 81596592. Its totient is φ = 8091792.

The previous prime is 30345023. The next prime is 30345061. The reversal of 30345030 is 3054303.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 30344994 and 30345012.

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 19 ways as a sum of consecutive naturals, for example, 17922 + ... + 19541.

Almost surely, 2^30345030 is an apocalyptic number.

30345030 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30345030 is an abundant number, since it is smaller than the sum of its proper divisors (51251562).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30345030 is a wasteful number, since it uses less digits than its factorization.

30345030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37482 (or 37473 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 18.

The square root of 30345030 is about 5508.6323166463. The cubic root of 30345030 is about 311.9099222209.

Adding to 30345030 its reverse (3054303), we get a palindrome (33399333).

The spelling of 30345030 in words is "thirty million, three hundred forty-five thousand, thirty".