243214331131453 has 4 divisors (see below), whose sum is σ = 265324724870688. Its totient is φ = 221103937392220.

The previous prime is 243214331131439. The next prime is 243214331131477. The reversal of 243214331131453 is 354131133412342.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-243214331131453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243214331131423) 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, 11055196869601 + ... + 11055196869622.

It is an arithmetic number, because the mean of its divisors is an integer number (66331181217672).

Almost surely, 2^{243214331131453} is an apocalyptic number.

It is an amenable number.

243214331131453 is a deficient number, since it is larger than the sum of its proper divisors (22110393739235).

243214331131453 is a wasteful number, since it uses less digits than its factorization.

243214331131453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22110393739234.

The product of its digits is 311040, while the sum is 40.

Adding to 243214331131453 its reverse (354131133412342), we get a palindrome (597345464543795).

The spelling of 243214331131453 in words is "two hundred forty-three trillion, two hundred fourteen billion, three hundred thirty-one million, one hundred thirty-one thousand, four hundred fifty-three".