243130242303 has 96 divisors (see below), whose sum is σ = 413490286080. Its totient is φ = 140641712640.

The previous prime is 243130242259. The next prime is 243130242331. The reversal of 243130242303 is 303242031342.

243130242303 is a `hidden beast` number, since 2 + 4 + 313 + 0 + 2 + 42 + 303 = 666.

It is not a de Polignac number, because 243130242303 - 2²¹ = 243128145151 is a prime.

It is a super-2 number, since 2×243130242303² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243130242343) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 87110838 + ... + 87113628.

It is an arithmetic number, because the mean of its divisors is an integer number (4307190480).

Almost surely, 2^243130242303 is an apocalyptic number.

243130242303 is a deficient number, since it is larger than the sum of its proper divisors (170360043777).

243130242303 is a wasteful number, since it uses less digits than its factorization.

243130242303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3966 (or 3947 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

Adding to 243130242303 its reverse (303242031342), we get a palindrome (546372273645).

The spelling of 243130242303 in words is "two hundred forty-three billion, one hundred thirty million, two hundred forty-two thousand, three hundred three".