30151056 has 80 divisors (see below), whose sum is σ = 84647360. Its totient is φ = 9192960.

The previous prime is 30151049. The next prime is 30151063. The reversal of 30151056 is 65015103.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (30151049) and next prime (30151063).

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, 131550 + ... + 131778.

It is an arithmetic number, because the mean of its divisors is an integer number (1058092).

Almost surely, 2^30151056 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30151056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42323680).

30151056 is an abundant number, since it is smaller than the sum of its proper divisors (54496304).

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

30151056 is a wasteful number, since it uses less digits than its factorization.

30151056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464 (or 458 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 21.

The square root of 30151056 is about 5490.9977235472. The cubic root of 30151056 is about 311.2438956239.

Adding to 30151056 its reverse (65015103), we get a palindrome (95166159).

The spelling of 30151056 in words is "thirty million, one hundred fifty-one thousand, fifty-six".