30661106 has 8 divisors (see below), whose sum is σ = 52561920. Its totient is φ = 13140468.

The previous prime is 30661097. The next prime is 30661109. The reversal of 30661106 is 60116603.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×30661106² = 1880206842286472, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30661109) 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, 1095026 + ... + 1095053.

It is an arithmetic number, because the mean of its divisors is an integer number (6570240).

Almost surely, 2^30661106 is an apocalyptic number.

30661106 is a deficient number, since it is larger than the sum of its proper divisors (21900814).

30661106 is a wasteful number, since it uses less digits than its factorization.

30661106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2190088.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 30661106 is about 5537.2471499835. The cubic root of 30661106 is about 312.9891424475.

Adding to 30661106 its reverse (60116603), we get a palindrome (90777709).

The spelling of 30661106 in words is "thirty million, six hundred sixty-one thousand, one hundred six".