30230100 has 54 divisors (see below), whose sum is σ = 94757390. Its totient is φ = 8061120.

The previous prime is 30230089. The next prime is 30230107. The reversal of 30230100 is 103203.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 9326916 + 20903184 = 3054^2 + 4572^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30230107) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 15895 + ... + 17694.

Almost surely, 2^30230100 is an apocalyptic number.

30230100 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30230100 is an abundant number, since it is smaller than the sum of its proper divisors (64527290).

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

30230100 is a wasteful number, since it uses less digits than its factorization.

30230100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33609 (or 33599 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 9.

The square root of 30230100 is about 5498.1906114648. The cubic root of 30230100 is about 311.5156439270.

Adding to 30230100 its reverse (103203), we get a palindrome (30333303).

The spelling of 30230100 in words is "thirty million, two hundred thirty thousand, one hundred".