243122102530 has 32 divisors (see below), whose sum is σ = 443883000240. Its totient is φ = 95865427200.

The previous prime is 243122102521. The next prime is 243122102609. The reversal of 243122102530 is 35201221342.

It can be written as a sum of positive squares in 8 ways, for example, as 234621078129 + 8501024401 = 484377^2 + 92201^2 .

It is a junction number, because it is equal to n+sod(n) for n = 243122102495 and 243122102504.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 294289 + ... + 756868.

Almost surely, 2^243122102530 is an apocalyptic number.

243122102530 is a deficient number, since it is larger than the sum of its proper divisors (200760897710).

243122102530 is a wasteful number, since it uses less digits than its factorization.

243122102530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1051494.

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 243122102530 its reverse (35201221342), we get a palindrome (278323323872).

The spelling of 243122102530 in words is "two hundred forty-three billion, one hundred twenty-two million, one hundred two thousand, five hundred thirty".