30113012 has 12 divisors (see below), whose sum is σ = 52788036. Its totient is φ = 15030720.

The previous prime is 30113009. The next prime is 30113023. The reversal of 30113012 is 21031103.

It can be written as a sum of positive squares in 2 ways, for example, as 10523536 + 19589476 = 3244^2 + 4426^2 .

It is a junction number, because it is equal to n+sod(n) for n = 30112984 and 30113002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3689 + ... + 8592.

It is an arithmetic number, because the mean of its divisors is an integer number (4399003).

Almost surely, 2^30113012 is an apocalyptic number.

It is an amenable number.

30113012 is a deficient number, since it is larger than the sum of its proper divisors (22675024).

30113012 is a wasteful number, since it uses less digits than its factorization.

30113012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12898 (or 12896 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 30113012 is about 5487.5324144829. The cubic root of 30113012 is about 311.1129334171.

Adding to 30113012 its reverse (21031103), we get a palindrome (51144115).

The spelling of 30113012 in words is "thirty million, one hundred thirteen thousand, twelve".