10031231312 has 40 divisors (see below), whose sum is σ = 20114951400. Its totient is φ = 4840435712.

The previous prime is 10031231299. The next prime is 10031231383. The reversal of 10031231312 is 21313213001.

It can be written as a sum of positive squares in 4 ways, for example, as 1836636736 + 8194594576 = 42856^2 + 90524^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1485608 + ... + 1492344.

It is an arithmetic number, because the mean of its divisors is an integer number (502873785).

Almost surely, 2^10031231312 is an apocalyptic number.

It is an amenable number.

10031231312 is an abundant number, since it is smaller than the sum of its proper divisors (10083720088).

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

10031231312 is a wasteful number, since it uses less digits than its factorization.

10031231312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9983 (or 9977 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 10031231312 its reverse (21313213001), we get a palindrome (31344444313).

The spelling of 10031231312 in words is "ten billion, thirty-one million, two hundred thirty-one thousand, three hundred twelve".