10431323331 has 128 divisors (see below), whose sum is σ = 17898209280. Its totient is φ = 5310835200.

The previous prime is 10431323327. The next prime is 10431323333. The reversal of 10431323331 is 13332313401.

It is a happy number.

10431323331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10431323331 - 2² = 10431323327 is a prime.

It is a super-2 number, since 2×10431323331² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10431323333) 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 127 ways as a sum of consecutive naturals, for example, 20493505 + ... + 20494013.

It is an arithmetic number, because the mean of its divisors is an integer number (139829760).

Almost surely, 2^10431323331 is an apocalyptic number.

10431323331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

10431323331 is a deficient number, since it is larger than the sum of its proper divisors (7466885949).

10431323331 is a wasteful number, since it uses less digits than its factorization.

10431323331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 657.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 10431323331 its reverse (13332313401), we get a palindrome (23763636732).

The spelling of 10431323331 in words is "ten billion, four hundred thirty-one million, three hundred twenty-three thousand, three hundred thirty-one".