30081234 has 16 divisors (see below), whose sum is σ = 60759360. Its totient is φ = 9927600.

The previous prime is 30081229. The next prime is 30081239. The reversal of 30081234 is 43218003.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (30081229) and next prime (30081239).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 30081234.

It is not an unprimeable number, because it can be changed into a prime (30081239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24214 + ... + 25425.

It is an arithmetic number, because the mean of its divisors is an integer number (3797460).

Almost surely, 2^30081234 is an apocalyptic number.

30081234 is an abundant number, since it is smaller than the sum of its proper divisors (30678126).

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

30081234 is a wasteful number, since it uses less digits than its factorization.

30081234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49745.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 30081234 is about 5484.6361775418. The cubic root of 30081234 is about 311.0034566394.

Adding to 30081234 its reverse (43218003), we get a palindrome (73299237).

The spelling of 30081234 in words is "thirty million, eighty-one thousand, two hundred thirty-four".