30660130 has 16 divisors (see below), whose sum is σ = 55317240. Its totient is φ = 12235392.

The previous prime is 30660107. The next prime is 30660131. The reversal of 30660130 is 3106603.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 29713401 + 946729 = 5451^2 + 973^2 .

It is a junction number, because it is equal to n+sod(n) for n = 30660098 and 30660107.

It is not an unprimeable number, because it can be changed into a prime (30660131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1216 + ... + 7924.

Almost surely, 2^30660130 is an apocalyptic number.

30660130 is a deficient number, since it is larger than the sum of its proper divisors (24657110).

30660130 is a wasteful number, since it uses less digits than its factorization.

30660130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7173.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 30660130 is about 5537.1590188471. The cubic root of 30660130 is about 312.9858214035.

Adding to 30660130 its reverse (3106603), we get a palindrome (33766733).

The spelling of 30660130 in words is "thirty million, six hundred sixty thousand, one hundred thirty".