243103204102 has 32 divisors (see below), whose sum is σ = 412356096000. Its totient is φ = 106489387200.

The previous prime is 243103204087. The next prime is 243103204147. The reversal of 243103204102 is 201402301342.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 582727 + ... + 908722.

It is an arithmetic number, because the mean of its divisors is an integer number (12886128000).

Almost surely, 2^243103204102 is an apocalyptic number.

243103204102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

243103204102 is a deficient number, since it is larger than the sum of its proper divisors (169252891898).

243103204102 is a wasteful number, since it uses less digits than its factorization.

243103204102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1491732.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 243103204102 its reverse (201402301342), we get a palindrome (444505505444).

The spelling of 243103204102 in words is "two hundred forty-three billion, one hundred three million, two hundred four thousand, one hundred two".