243103133403 has 12 divisors (see below), whose sum is σ = 378160429920. Its totient is φ = 149601928176.

The previous prime is 243103133359. The next prime is 243103133431. The reversal of 243103133403 is 304331301342.

243103133403 is a `hidden beast` number, since 2 + 4 + 3 + 1 + 0 + 313 + 340 + 3 = 666.

It is not a de Polignac number, because 243103133403 - 2¹³ = 243103125211 is a prime.

It is not an unprimeable number, because it can be changed into a prime (243103135403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1038902163 + ... + 1038902396.

It is an arithmetic number, because the mean of its divisors is an integer number (31513369160).

Almost surely, 2^243103133403 is an apocalyptic number.

243103133403 is a deficient number, since it is larger than the sum of its proper divisors (135057296517).

243103133403 is a wasteful number, since it uses less digits than its factorization.

243103133403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2077804578 (or 2077804575 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 27.

Adding to 243103133403 its reverse (304331301342), we get a palindrome (547434434745).

The spelling of 243103133403 in words is "two hundred forty-three billion, one hundred three million, one hundred thirty-three thousand, four hundred three".