243310134025 has 24 divisors (see below), whose sum is σ = 365087882880. Its totient is φ = 157027042560.

The previous prime is 243310133939. The next prime is 243310134049. The reversal of 243310134025 is 520431013342.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-243310134025 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 243310133984 and 243310134002.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40889485 + ... + 40895434.

It is an arithmetic number, because the mean of its divisors is an integer number (15211995120).

Almost surely, 2^243310134025 is an apocalyptic number.

243310134025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

243310134025 is a deficient number, since it is larger than the sum of its proper divisors (121777748855).

243310134025 is a wasteful number, since it uses less digits than its factorization.

243310134025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81784953 (or 81784948 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 243310134025 its reverse (520431013342), we get a palindrome (763741147367).

The spelling of 243310134025 in words is "two hundred forty-three billion, three hundred ten million, one hundred thirty-four thousand, twenty-five".