10243121324431 has 2 divisors, whose sum is σ = 10243121324432. Its totient is φ = 10243121324430.

The previous prime is 10243121324411. The next prime is 10243121324441. The reversal of 10243121324431 is 13442312134201.

It is a happy number.

10243121324431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10243121324431 - 2¹⁷ = 10243121193359 is a prime.

It is a super-2 number, since 2×10243121324431² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10243121324393 and 10243121324402.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10243121324411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5121560662215 + 5121560662216.

It is an arithmetic number, because the mean of its divisors is an integer number (5121560662216).

Almost surely, 2^{10243121324431} is an apocalyptic number.

10243121324431 is a deficient number, since it is larger than the sum of its proper divisors (1).

10243121324431 is an equidigital number, since it uses as much as digits as its factorization.

10243121324431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 31.

Adding to 10243121324431 its reverse (13442312134201), we get a palindrome (23685433458632).

The spelling of 10243121324431 in words is "ten trillion, two hundred forty-three billion, one hundred twenty-one million, three hundred twenty-four thousand, four hundred thirty-one".