10311344431 has 4 divisors (see below), whose sum is σ = 10370947752. Its totient is φ = 10251741112.

The previous prime is 10311344411. The next prime is 10311344453. The reversal of 10311344431 is 13444311301.

It is a happy number.

10311344431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 10311344431 - 2¹¹ = 10311342383 is a prime.

It is a super-2 number, since 2×10311344431² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10311344396 and 10311344405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10311344411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29801401 + ... + 29801746.

It is an arithmetic number, because the mean of its divisors is an integer number (2592736938).

Almost surely, 2^10311344431 is an apocalyptic number.

10311344431 is a deficient number, since it is larger than the sum of its proper divisors (59603321).

10311344431 is an equidigital number, since it uses as much as digits as its factorization.

10311344431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59603320.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 10311344431 its reverse (13444311301), we get a palindrome (23755655732).

The spelling of 10311344431 in words is "ten billion, three hundred eleven million, three hundred forty-four thousand, four hundred thirty-one".