30481088 has 56 divisors (see below), whose sum is σ = 68305680. Its totient is φ = 13368320.

The previous prime is 30481063. The next prime is 30481097. The reversal of 30481088 is 88018403.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19670 + ... + 21162.

Almost surely, 2^30481088 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 30481088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34152840).

30481088 is an abundant number, since it is smaller than the sum of its proper divisors (37824592).

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

30481088 is a wasteful number, since it uses less digits than its factorization.

30481088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1545 (or 1535 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 32.

The square root of 30481088 is about 5520.9680310612. The cubic root of 30481088 is about 312.3753973640.

The spelling of 30481088 in words is "thirty million, four hundred eighty-one thousand, eighty-eight".