30113125 has 20 divisors (see below), whose sum is σ = 43011232. Its totient is φ = 20646000.

The previous prime is 30113123. The next prime is 30113131. The reversal of 30113125 is 52131103.

It is not a de Polignac number, because 30113125 - 2¹ = 30113123 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30113099 and 30113108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30113123) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 934 + ... + 7816.

Almost surely, 2^30113125 is an apocalyptic number.

30113125 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

30113125 is a deficient number, since it is larger than the sum of its proper divisors (12898107).

30113125 is an frugal number, since it uses more digits than its factorization.

30113125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6910 (or 6895 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 30113125 is about 5487.5427105399. The cubic root of 30113125 is about 311.1133225703.

Adding to 30113125 its reverse (52131103), we get a palindrome (82244228).

The spelling of 30113125 in words is "thirty million, one hundred thirteen thousand, one hundred twenty-five".