30316380 has 48 divisors (see below), whose sum is σ = 85777440. Its totient is φ = 7999488.

The previous prime is 30316379. The next prime is 30316399. The reversal of 30316380 is 8361303.

It is a self number, because there is not a number n which added to its sum of digits gives 30316380.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3216 + ... + 8424.

It is an arithmetic number, because the mean of its divisors is an integer number (1787030).

Almost surely, 2^30316380 is an apocalyptic number.

30316380 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30316380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42888720).

30316380 is an abundant number, since it is smaller than the sum of its proper divisors (55461060).

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

30316380 is a wasteful number, since it uses less digits than its factorization.

30316380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5318 (or 5316 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 30316380 is about 5506.0312385601. The cubic root of 30316380 is about 311.8117289517.

Adding to 30316380 its reverse (8361303), we get a palindrome (38677683).

It can be divided in two parts, 30 and 316380, that added together give a triangular number (316410 = T₇₉₅).

The spelling of 30316380 in words is "thirty million, three hundred sixteen thousand, three hundred eighty".