30313149 has 16 divisors (see below), whose sum is σ = 43632000. Its totient is φ = 18662336.

The previous prime is 30313147. The next prime is 30313163. The reversal of 30313149 is 94131303.

It is a cyclic number.

It is not a de Polignac number, because 30313149 - 2¹ = 30313147 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30313141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5574 + ... + 9575.

It is an arithmetic number, because the mean of its divisors is an integer number (2727000).

Almost surely, 2^30313149 is an apocalyptic number.

It is an amenable number.

30313149 is a deficient number, since it is larger than the sum of its proper divisors (13318851).

30313149 is a wasteful number, since it uses less digits than its factorization.

30313149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15204.

The product of its (nonzero) digits is 972, while the sum is 24.

The square root of 30313149 is about 5505.7378252147. The cubic root of 30313149 is about 311.8006513375.

The spelling of 30313149 in words is "thirty million, three hundred thirteen thousand, one hundred forty-nine".