30612130 has 16 divisors (see below), whose sum is σ = 56384064. Its totient is φ = 11959920.

The previous prime is 30612089. The next prime is 30612137. The reversal of 30612130 is 3121603.

It is not an unprimeable number, because it can be changed into a prime (30612137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35166 + ... + 36025.

It is an arithmetic number, because the mean of its divisors is an integer number (3524004).

Almost surely, 2^30612130 is an apocalyptic number.

30612130 is a deficient number, since it is larger than the sum of its proper divisors (25771934).

30612130 is a wasteful number, since it uses less digits than its factorization.

30612130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71241.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 30612130 is about 5532.8229684312. The cubic root of 30612130 is about 312.8224043297.

Adding to 30612130 its reverse (3121603), we get a palindrome (33733733).

The spelling of 30612130 in words is "thirty million, six hundred twelve thousand, one hundred thirty".