201343342212431 has 4 divisors (see below), whose sum is σ = 201587987829552. Its totient is φ = 201098696595312.

The previous prime is 201343342212361. The next prime is 201343342212437. The reversal of 201343342212431 is 134212243343102.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 201343342212431 - 2²⁶ = 201343275103567 is a prime.

It is a super-2 number, since 2×201343342212431² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201343342212391 and 201343342212400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201343342212437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122322807326 + ... + 122322808971.

It is an arithmetic number, because the mean of its divisors is an integer number (50396996957388).

Almost surely, 2^{201343342212431} is an apocalyptic number.

201343342212431 is a deficient number, since it is larger than the sum of its proper divisors (244645617121).

201343342212431 is an equidigital number, since it uses as much as digits as its factorization.

201343342212431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244645617120.

The product of its (nonzero) digits is 82944, while the sum is 35.

Adding to 201343342212431 its reverse (134212243343102), we get a palindrome (335555585555533).

The spelling of 201343342212431 in words is "two hundred one trillion, three hundred forty-three billion, three hundred forty-two million, two hundred twelve thousand, four hundred thirty-one".