243310133121 has 32 divisors (see below), whose sum is σ = 365790394368. Its totient is φ = 142584315840.

The previous prime is 243310133113. The next prime is 243310133251. The reversal of 243310133121 is 121331013342.

It is not a de Polignac number, because 243310133121 - 2³ = 243310133113 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 243310133091 and 243310133100.

It is not an unprimeable number, because it can be changed into a prime (243310133921) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 816286 + ... + 1073751.

It is an arithmetic number, because the mean of its divisors is an integer number (11430949824).

Almost surely, 2^243310133121 is an apocalyptic number.

It is an amenable number.

243310133121 is a deficient number, since it is larger than the sum of its proper divisors (122480261247).

243310133121 is a wasteful number, since it uses less digits than its factorization.

243310133121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1890181.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 243310133121 its reverse (121331013342), we get a palindrome (364641146463).

The spelling of 243310133121 in words is "two hundred forty-three billion, three hundred ten million, one hundred thirty-three thousand, one hundred twenty-one".