30985106 has 4 divisors (see below), whose sum is σ = 46477662. Its totient is φ = 15492552.

The previous prime is 30985099. The next prime is 30985111. The reversal of 30985106 is 60158903.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 29604481 + 1380625 = 5441^2 + 1175^2 .

It is a Curzon number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 7746275 + ... + 7746278.

Almost surely, 2^30985106 is an apocalyptic number.

30985106 is a deficient number, since it is larger than the sum of its proper divisors (15492556).

30985106 is a wasteful number, since it uses less digits than its factorization.

30985106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15492555.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 30985106 is about 5566.4266814537. The cubic root of 30985106 is about 314.0877477999.

The spelling of 30985106 in words is "thirty million, nine hundred eighty-five thousand, one hundred six".