243201014431 has 2 divisors, whose sum is σ = 243201014432. Its totient is φ = 243201014430.

The previous prime is 243201014389. The next prime is 243201014437. The reversal of 243201014431 is 134410102342.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-243201014431 is a prime.

It is a super-2 number, since 2×243201014431² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 243201014396 and 243201014405.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (243201014437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121600507215 + 121600507216.

It is an arithmetic number, because the mean of its divisors is an integer number (121600507216).

Almost surely, 2^243201014431 is an apocalyptic number.

243201014431 is a deficient number, since it is larger than the sum of its proper divisors (1).

243201014431 is an equidigital number, since it uses as much as digits as its factorization.

243201014431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 243201014431 its reverse (134410102342), we get a palindrome (377611116773).

The spelling of 243201014431 in words is "two hundred forty-three billion, two hundred one million, fourteen thousand, four hundred thirty-one".