243130004102 has 4 divisors (see below), whose sum is σ = 364695006156. Its totient is φ = 121565002050.

The previous prime is 243130004053. The next prime is 243130004107. The reversal of 243130004102 is 201400031342.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×243130004102² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243130004107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60782501024 + ... + 60782501027.

It is an arithmetic number, because the mean of its divisors is an integer number (91173751539).

Almost surely, 2^243130004102 is an apocalyptic number.

243130004102 is a deficient number, since it is larger than the sum of its proper divisors (121565002054).

243130004102 is a wasteful number, since it uses less digits than its factorization.

243130004102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121565002053.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 243130004102 its reverse (201400031342), we get a palindrome (444530035444).

The spelling of 243130004102 in words is "two hundred forty-three billion, one hundred thirty million, four thousand, one hundred two".