10431243434 has 4 divisors (see below), whose sum is σ = 15646865154. Its totient is φ = 5215621716.

The previous prime is 10431243419. The next prime is 10431243509. The reversal of 10431243434 is 43434213401.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43434213401 = 41579 ⋅1044619.

It can be written as a sum of positive squares in only one way, i.e., 10333332409 + 97911025 = 101653^2 + 9895^2 .

It is a super-2 number, since 2×10431243434² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10431243397 and 10431243406.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2607810857 + ... + 2607810860.

Almost surely, 2^10431243434 is an apocalyptic number.

10431243434 is a deficient number, since it is larger than the sum of its proper divisors (5215621720).

10431243434 is an equidigital number, since it uses as much as digits as its factorization.

10431243434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5215621719.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 10431243434 its reverse (43434213401), we get a palindrome (53865456835).

The spelling of 10431243434 in words is "ten billion, four hundred thirty-one million, two hundred forty-three thousand, four hundred thirty-four".