30141232 has 40 divisors (see below), whose sum is σ = 65277072. Its totient is φ = 13363200.

The previous prime is 30141229. The next prime is 30141253. The reversal of 30141232 is 23214103.

It is a happy number.

It is a super-4 number, since 4×30141232⁴ (a number of 31 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an alternating number because its digits alternate between odd and even.

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, 5128 + ... + 9304.

Almost surely, 2^30141232 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 30141232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32638536).

30141232 is an abundant number, since it is smaller than the sum of its proper divisors (35135840).

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

30141232 is a wasteful number, since it uses less digits than its factorization.

30141232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4237 (or 4231 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 30141232 is about 5490.1030955712. The cubic root of 30141232 is about 311.2100881604.

Adding to 30141232 its reverse (23214103), we get a palindrome (53355335).

The spelling of 30141232 in words is "thirty million, one hundred forty-one thousand, two hundred thirty-two".