243011403141431 has 16 divisors (see below), whose sum is σ = 255941867216640. Its totient is φ = 230094984432960.

The previous prime is 243011403141407. The next prime is 243011403141457. The reversal of 243011403141431 is 134141304110342.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-243011403141431 is a prime.

It is a super-2 number, since 2×243011403141431² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243011403141631) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2071102436 + ... + 2071219766.

It is an arithmetic number, because the mean of its divisors is an integer number (15996366701040).

Almost surely, 2^{243011403141431} is an apocalyptic number.

243011403141431 is a deficient number, since it is larger than the sum of its proper divisors (12930464075209).

243011403141431 is a wasteful number, since it uses less digits than its factorization.

243011403141431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176246.

The product of its (nonzero) digits is 13824, while the sum is 32.

Adding to 243011403141431 its reverse (134141304110342), we get a palindrome (377152707251773).

The spelling of 243011403141431 in words is "two hundred forty-three trillion, eleven billion, four hundred three million, one hundred forty-one thousand, four hundred thirty-one".