243113211454 has 16 divisors (see below), whose sum is σ = 370908298800. Its totient is φ = 119477752384.

The previous prime is 243113211403. The next prime is 243113211457. The reversal of 243113211454 is 454112311342.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243113211457) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 618324 + ... + 931960.

It is an arithmetic number, because the mean of its divisors is an integer number (23181768675).

Almost surely, 2^243113211454 is an apocalyptic number.

243113211454 is a deficient number, since it is larger than the sum of its proper divisors (127795087346).

243113211454 is a wasteful number, since it uses less digits than its factorization.

243113211454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320267.

The product of its digits is 11520, while the sum is 31.

Adding to 243113211454 its reverse (454112311342), we get a palindrome (697225522796).

The spelling of 243113211454 in words is "two hundred forty-three billion, one hundred thirteen million, two hundred eleven thousand, four hundred fifty-four".