30940315 has 16 divisors (see below), whose sum is σ = 43300800. Its totient is φ = 21215040.

The previous prime is 30940291. The next prime is 30940319. The reversal of 30940315 is 51304903.

It is a de Polignac number, because none of the positive numbers 2^k-30940315 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30940315.

It is not an unprimeable number, because it can be changed into a prime (30940319) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 7306 + ... + 10735.

It is an arithmetic number, because the mean of its divisors is an integer number (2706300).

Almost surely, 2^30940315 is an apocalyptic number.

30940315 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

30940315 is a deficient number, since it is larger than the sum of its proper divisors (12360485).

30940315 is an equidigital number, since it uses as much as digits as its factorization.

30940315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18067 (or 18053 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 30940315 is about 5562.4019092475. The cubic root of 30940315 is about 313.9363300117.

The spelling of 30940315 in words is "thirty million, nine hundred forty thousand, three hundred fifteen".