30983148 has 120 divisors (see below), whose sum is σ = 97574400. Its totient is φ = 8374752.

The previous prime is 30983143. The next prime is 30983207. The reversal of 30983148 is 84138903.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (30983143) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 42733 + ... + 43451.

It is an arithmetic number, because the mean of its divisors is an integer number (813120).

Almost surely, 2^30983148 is an apocalyptic number.

30983148 is a gapful number since it is divisible by the number (38) 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 30983148, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48787200).

30983148 is an abundant number, since it is smaller than the sum of its proper divisors (66591252).

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

30983148 is a wasteful number, since it uses less digits than its factorization.

30983148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 761 (or 750 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 30983148 is about 5566.2508028295. The cubic root of 30983148 is about 314.0811317527.

The spelling of 30983148 in words is "thirty million, nine hundred eighty-three thousand, one hundred forty-eight".