30801150 has 36 divisors (see below), whose sum is σ = 82753632. Its totient is φ = 8213520.

The previous prime is 30801143. The next prime is 30801151. The reversal of 30801150 is 5110803.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30801151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 33774 + ... + 34673.

It is an arithmetic number, because the mean of its divisors is an integer number (2298712).

Almost surely, 2^30801150 is an apocalyptic number.

30801150 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30801150 is an abundant number, since it is smaller than the sum of its proper divisors (51952482).

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

30801150 is a wasteful number, since it uses less digits than its factorization.

30801150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68465 (or 68457 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 30801150 is about 5549.8783770458. The cubic root of 30801150 is about 313.4649427004.

Adding to 30801150 its reverse (5110803), we get a palindrome (35911953).

The spelling of 30801150 in words is "thirty million, eight hundred one thousand, one hundred fifty".