243101004 has 48 divisors (see below), whose sum is σ = 582422400. Its totient is φ = 78891136.

The previous prime is 243100999. The next prime is 243101009. The reversal of 243101004 is 400101342.

It is an interprime number because it is at equal distance from previous prime (243100999) and next prime (243101009).

It is not an unprimeable number, because it can be changed into a prime (243101009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74152 + ... + 77360.

It is an arithmetic number, because the mean of its divisors is an integer number (12133800).

Almost surely, 2^243101004 is an apocalyptic number.

It is an amenable number.

243101004 is an abundant number, since it is smaller than the sum of its proper divisors (339321396).

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

243101004 is a wasteful number, since it uses less digits than its factorization.

243101004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3382 (or 3380 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 243101004 is about 15591.6966363510. The cubic root of 243101004 is about 624.1115945221. Note that the first 3 decimals are identical.

Adding to 243101004 its reverse (400101342), we get a palindrome (643202346).

The spelling of 243101004 in words is "two hundred forty-three million, one hundred one thousand, four".