243312103025 has 12 divisors (see below), whose sum is σ = 301713157872. Its totient is φ = 194645714640.

The previous prime is 243312102961. The next prime is 243312103031. The reversal of 243312103025 is 520301213342.

It is a happy number.

It is not a de Polignac number, because 243312103025 - 2⁶ = 243312102961 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 243312102985 and 243312103003.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2166302 + ... + 2275848.

It is an arithmetic number, because the mean of its divisors is an integer number (25142763156).

Almost surely, 2^243312103025 is an apocalyptic number.

243312103025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

243312103025 is a deficient number, since it is larger than the sum of its proper divisors (58401054847).

243312103025 is a wasteful number, since it uses less digits than its factorization.

243312103025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198400 (or 198395 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 243312103025 its reverse (520301213342), we get a palindrome (763613316367).

The spelling of 243312103025 in words is "two hundred forty-three billion, three hundred twelve million, one hundred three thousand, twenty-five".