10312243240 has 32 divisors (see below), whose sum is σ = 24987359880. Its totient is φ = 3807597312.

The previous prime is 10312243237. The next prime is 10312243241. The reversal of 10312243240 is 4234221301.

It can be written as a sum of positive squares in 4 ways, for example, as 9353597796 + 958645444 = 96714^2 + 30962^2 .

It is not an unprimeable number, because it can be changed into a prime (10312243241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9915099 + ... + 9916138.

Almost surely, 2^10312243240 is an apocalyptic number.

10312243240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10312243240 is an abundant number, since it is smaller than the sum of its proper divisors (14675116640).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10312243240 is a wasteful number, since it uses less digits than its factorization.

10312243240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19831261 (or 19831257 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 10312243240 its reverse (4234221301), we get a palindrome (14546464541).

The spelling of 10312243240 in words is "ten billion, three hundred twelve million, two hundred forty-three thousand, two hundred forty".