12310241531 has 40 divisors (see below), whose sum is σ = 15175818000. Its totient is φ = 9957427200.

The previous prime is 12310241497. The next prime is 12310241533. The reversal of 12310241531 is 13514201321.

It is not a de Polignac number, because 12310241531 - 2¹⁰ = 12310240507 is a prime.

It is a super-2 number, since 2×12310241531² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12310241497 and 12310241506.

It is not an unprimeable number, because it can be changed into a prime (12310241533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 20482631 + ... + 20483231.

It is an arithmetic number, because the mean of its divisors is an integer number (379395450).

Almost surely, 2^12310241531 is an apocalyptic number.

12310241531 is a deficient number, since it is larger than the sum of its proper divisors (2865576469).

12310241531 is an frugal number, since it uses more digits than its factorization.

12310241531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1097 (or 1076 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

Adding to 12310241531 its reverse (13514201321), we get a palindrome (25824442852).

The spelling of 12310241531 in words is "twelve billion, three hundred ten million, two hundred forty-one thousand, five hundred thirty-one".