30317980 has 48 divisors (see below), whose sum is σ = 79382016. Its totient is φ = 9449280.

The previous prime is 30317941. The next prime is 30317993. The reversal of 30317980 is 8971303.

It is a super-2 number, since 2×30317980² = 1838359822560800, which contains 22 as substring.

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, 8304 + ... + 11383.

It is an arithmetic number, because the mean of its divisors is an integer number (1653792).

Almost surely, 2^30317980 is an apocalyptic number.

It is an amenable number.

30317980 is an abundant number, since it is smaller than the sum of its proper divisors (49064036).

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

30317980 is a wasteful number, since it uses less digits than its factorization.

30317980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19714 (or 19712 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 30317980 is about 5506.1765318595. The cubic root of 30317980 is about 311.8172143251.

It can be divided in two parts, 3031 and 7980, that added together give a palindrome (11011).

The spelling of 30317980 in words is "thirty million, three hundred seventeen thousand, nine hundred eighty".