30124113 has 4 divisors (see below), whose sum is σ = 40165488. Its totient is φ = 20082740.

The previous prime is 30124109. The next prime is 30124117. The reversal of 30124113 is 31142103.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31142103 = 3 ⋅10380701.

It is an interprime number because it is at equal distance from previous prime (30124109) and next prime (30124117).

It is a cyclic number.

It is not a de Polignac number, because 30124113 - 2² = 30124109 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30124092 and 30124101.

It is not an unprimeable number, because it can be changed into a prime (30124117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5020683 + ... + 5020688.

It is an arithmetic number, because the mean of its divisors is an integer number (10041372).

Almost surely, 2^30124113 is an apocalyptic number.

It is an amenable number.

30124113 is a deficient number, since it is larger than the sum of its proper divisors (10041375).

30124113 is a wasteful number, since it uses less digits than its factorization.

30124113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10041374.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 30124113 is about 5488.5437959444. The cubic root of 30124113 is about 311.1511587572.

Adding to 30124113 its reverse (31142103), we get a palindrome (61266216).

The spelling of 30124113 in words is "thirty million, one hundred twenty-four thousand, one hundred thirteen".