30316540 has 24 divisors (see below), whose sum is σ = 63830592. Its totient is φ = 12095040.

The previous prime is 30316537. The next prime is 30316547. The reversal of 30316540 is 4561303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30316547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6862 + ... + 10378.

It is an arithmetic number, because the mean of its divisors is an integer number (2659608).

Almost surely, 2^30316540 is an apocalyptic number.

It is an amenable number.

30316540 is an abundant number, since it is smaller than the sum of its proper divisors (33514052).

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

30316540 is a wasteful number, since it uses less digits than its factorization.

30316540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3957 (or 3955 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 30316540 is about 5506.0457680626. The cubic root of 30316540 is about 311.8122774977.

Adding to 30316540 its reverse (4561303), we get a palindrome (34877843).

The spelling of 30316540 in words is "thirty million, three hundred sixteen thousand, five hundred forty".