12310031332 has 6 divisors (see below), whose sum is σ = 21542554838. Its totient is φ = 6155015664.

The previous prime is 12310031317. The next prime is 12310031339. The reversal of 12310031332 is 23313001321.

It can be written as a sum of positive squares in only one way, i.e., 10703143936 + 1606887396 = 103456^2 + 40086^2 .

It is not an unprimeable number, because it can be changed into a prime (12310031339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1538753913 + ... + 1538753920.

Almost surely, 2^12310031332 is an apocalyptic number.

It is an amenable number.

12310031332 is a deficient number, since it is larger than the sum of its proper divisors (9232523506).

12310031332 is a wasteful number, since it uses less digits than its factorization.

12310031332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3077507837 (or 3077507835 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 12310031332 its reverse (23313001321), we get a palindrome (35623032653).

The spelling of 12310031332 in words is "twelve billion, three hundred ten million, thirty-one thousand, three hundred thirty-two".