243130113124 has 12 divisors (see below), whose sum is σ = 425498251500. Its totient is φ = 121559184128.

The previous prime is 243130113113. The next prime is 243130113131. The reversal of 243130113124 is 421311031342.

It can be written as a sum of positive squares in 2 ways, for example, as 192649010724 + 50481102400 = 438918^2 + 224680^2 .

It is a super-2 number, since 2×243130113124² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1374289 + ... + 1541080.

It is an arithmetic number, because the mean of its divisors is an integer number (35458187625).

Almost surely, 2^243130113124 is an apocalyptic number.

It is an amenable number.

243130113124 is a deficient number, since it is larger than the sum of its proper divisors (182368138376).

243130113124 is a wasteful number, since it uses less digits than its factorization.

243130113124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2936222 (or 2936220 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 243130113124 its reverse (421311031342), we get a palindrome (664441144466).

The spelling of 243130113124 in words is "two hundred forty-three billion, one hundred thirty million, one hundred thirteen thousand, one hundred twenty-four".