193030100 has 18 divisors (see below), whose sum is σ = 418875534. Its totient is φ = 77212000.

The previous prime is 193030093. The next prime is 193030109. The reversal of 193030100 is 1030391.

193030100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 42436 + 192987664 = 206^2 + 13892^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (193030109) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 965051 + ... + 965250.

It is an arithmetic number, because the mean of its divisors is an integer number (23270863).

Almost surely, 2^193030100 is an apocalyptic number.

193030100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

193030100 is an abundant number, since it is smaller than the sum of its proper divisors (225845434).

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

193030100 is a wasteful number, since it uses less digits than its factorization.

193030100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1930315 (or 1930308 counting only the distinct ones).

The product of its (nonzero) digits is 81, while the sum is 17.

The square root of 193030100 is about 13893.5272699196. The cubic root of 193030100 is about 577.9296977509.

Adding to 193030100 its reverse (1030391), we get a palindrome (194060491).

The spelling of 193030100 in words is "one hundred ninety-three million, thirty thousand, one hundred".