243131114133 has 20 divisors (see below), whose sum is σ = 368616703840. Its totient is φ = 159668190792.

The previous prime is 243131114129. The next prime is 243131114173. The reversal of 243131114133 is 331411131342.

243131114133 is a `hidden beast` number, since 243 + 1 + 3 + 1 + 1 + 1 + 413 + 3 = 666.

It is not a de Polignac number, because 243131114133 - 2² = 243131114129 is a prime.

It is a super-2 number, since 2×243131114133² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 243131114097 and 243131114106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243131114173) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 22394713 + ... + 22405566.

It is an arithmetic number, because the mean of its divisors is an integer number (18430835192).

Almost surely, 2^243131114133 is an apocalyptic number.

It is an amenable number.

243131114133 is a deficient number, since it is larger than the sum of its proper divisors (125485589707).

243131114133 is an equidigital number, since it uses as much as digits as its factorization.

243131114133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44800358 (or 44800349 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

Adding to 243131114133 its reverse (331411131342), we get a palindrome (574542245475).

The spelling of 243131114133 in words is "two hundred forty-three billion, one hundred thirty-one million, one hundred fourteen thousand, one hundred thirty-three".