243103242031 has 8 divisors (see below), whose sum is σ = 261810443664. Its totient is φ = 224397033600.

The previous prime is 243103242029. The next prime is 243103242049. The reversal of 243103242031 is 130242301342.

243103242031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 243103242031 - 2¹ = 243103242029 is a prime.

It is a super-2 number, since 2×243103242031² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 243103241987 and 243103242005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243103242331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 305895 + ... + 761431.

It is an arithmetic number, because the mean of its divisors is an integer number (32726305458).

Almost surely, 2^243103242031 is an apocalyptic number.

243103242031 is a deficient number, since it is larger than the sum of its proper divisors (18707201633).

243103242031 is a wasteful number, since it uses less digits than its factorization.

243103242031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 496601.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 243103242031 its reverse (130242301342), we get a palindrome (373345543373).

The spelling of 243103242031 in words is "two hundred forty-three billion, one hundred three million, two hundred forty-two thousand, thirty-one".