30130038 has 24 divisors (see below), whose sum is σ = 65441376. Its totient is φ = 10018800.

The previous prime is 30130033. The next prime is 30130049. The reversal of 30130038 is 83003103.

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

It is a self number, because there is not a number n which added to its sum of digits gives 30130038.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30130031) 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, 6483 + ... + 10113.

It is an arithmetic number, because the mean of its divisors is an integer number (2726724).

Almost surely, 2^30130038 is an apocalyptic number.

30130038 is an abundant number, since it is smaller than the sum of its proper divisors (35311338).

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

30130038 is a wasteful number, since it uses less digits than its factorization.

30130038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4100 (or 4097 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 30130038 is about 5489.0835300622. The cubic root of 30130038 is about 311.1715571421.

The spelling of 30130038 in words is "thirty million, one hundred thirty thousand, thirty-eight".