30130502 has 4 divisors (see below), whose sum is σ = 45195756. Its totient is φ = 15065250.

The previous prime is 30130501. The next prime is 30130517. The reversal of 30130502 is 20503103.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20503103 = 53 ⋅386851.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30130501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7532624 + ... + 7532627.

It is an arithmetic number, because the mean of its divisors is an integer number (11298939).

Almost surely, 2^30130502 is an apocalyptic number.

30130502 is a deficient number, since it is larger than the sum of its proper divisors (15065254).

30130502 is a wasteful number, since it uses less digits than its factorization.

30130502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15065253.

The product of its (nonzero) digits is 90, while the sum is 14.

The square root of 30130502 is about 5489.1257956072. The cubic root of 30130502 is about 311.1731544724.

Adding to 30130502 its reverse (20503103), we get a palindrome (50633605).

It can be divided in two parts, 301 and 30502, that added together give a palindrome (30803).

The spelling of 30130502 in words is "thirty million, one hundred thirty thousand, five hundred two".