243302422210131 has 4 divisors (see below), whose sum is σ = 324403229613512. Its totient is φ = 162201614806752.

The previous prime is 243302422210123. The next prime is 243302422210241. The reversal of 243302422210131 is 131012224203342.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 243302422210131 - 2³ = 243302422210123 is a prime.

It is a super-2 number, since 2×243302422210131² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (243302422210031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40550403701686 + ... + 40550403701691.

It is an arithmetic number, because the mean of its divisors is an integer number (81100807403378).

Almost surely, 2^{243302422210131} is an apocalyptic number.

243302422210131 is a deficient number, since it is larger than the sum of its proper divisors (81100807403381).

243302422210131 is an equidigital number, since it uses as much as digits as its factorization.

243302422210131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81100807403380.

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 243302422210131 its reverse (131012224203342), we get a palindrome (374314646413473).

The spelling of 243302422210131 in words is "two hundred forty-three trillion, three hundred two billion, four hundred twenty-two million, two hundred ten thousand, one hundred thirty-one".