10431431243 has 4 divisors (see below), whose sum is σ = 10980453960. Its totient is φ = 9882408528.

The previous prime is 10431431233. The next prime is 10431431299. The reversal of 10431431243 is 34213413401.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10431431243 - 2²⁴ = 10414654027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10431431233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 274511330 + ... + 274511367.

It is an arithmetic number, because the mean of its divisors is an integer number (2745113490).

Almost surely, 2^10431431243 is an apocalyptic number.

10431431243 is a deficient number, since it is larger than the sum of its proper divisors (549022717).

10431431243 is an equidigital number, since it uses as much as digits as its factorization.

10431431243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549022716.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 10431431243 its reverse (34213413401), we get a palindrome (44644844644).

The spelling of 10431431243 in words is "ten billion, four hundred thirty-one million, four hundred thirty-one thousand, two hundred forty-three".