30316040 has 32 divisors (see below), whose sum is σ = 68391000. Its totient is φ = 12094464.

The previous prime is 30316037. The next prime is 30316063. The reversal of 30316040 is 4061303.

It can be written as a sum of positive squares in 4 ways, for example, as 24661156 + 5654884 = 4966^2 + 2378^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19616 + ... + 21104.

Almost surely, 2^30316040 is an apocalyptic number.

It is an amenable number.

30316040 is an abundant number, since it is smaller than the sum of its proper divisors (38074960).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30316040 is a wasteful number, since it uses less digits than its factorization.

30316040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2009 (or 2005 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 30316040 is about 5506.0003632401. Note that the first 3 decimals coincide. The cubic root of 30316040 is about 311.8105632850.

Adding to 30316040 its reverse (4061303), we get a palindrome (34377343).

The spelling of 30316040 in words is "thirty million, three hundred sixteen thousand, forty".