30315480 has 64 divisors (see below), whose sum is σ = 97947360. Its totient is φ = 7461888.

The previous prime is 30315457. The next prime is 30315487. The reversal of 30315480 is 8451303.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 30315480.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30315487) 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, 8157 + ... + 11276.

Almost surely, 2^30315480 is an apocalyptic number.

30315480 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30315480 is an abundant number, since it is smaller than the sum of its proper divisors (67631880).

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

30315480 is a wasteful number, since it uses less digits than its factorization.

30315480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19460 (or 19456 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 30315480 is about 5505.9495093944. The cubic root of 30315480 is about 311.8086433444.

Adding to 30315480 its reverse (8451303), we get a palindrome (38766783).

The spelling of 30315480 in words is "thirty million, three hundred fifteen thousand, four hundred eighty".