30013142 has 16 divisors (see below), whose sum is σ = 46457280. Its totient is φ = 14531328.

The previous prime is 30013133. The next prime is 30013153. The reversal of 30013142 is 24131003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16838 + ... + 18534.

It is an arithmetic number, because the mean of its divisors is an integer number (2903580).

Almost surely, 2^30013142 is an apocalyptic number.

30013142 is a deficient number, since it is larger than the sum of its proper divisors (16444138).

30013142 is a wasteful number, since it uses less digits than its factorization.

30013142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1975.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 30013142 is about 5478.4251386690. The cubic root of 30013142 is about 310.7686164712.

Adding to 30013142 its reverse (24131003), we get a palindrome (54144145).

The spelling of 30013142 in words is "thirty million, thirteen thousand, one hundred forty-two".