10131440312 has 48 divisors (see below), whose sum is σ = 22346280000. Its totient is φ = 4293244032.

The previous prime is 10131440287. The next prime is 10131440317. The reversal of 10131440312 is 21304413101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10131440317) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 110312 + ... + 180087.

It is an arithmetic number, because the mean of its divisors is an integer number (465547500).

Almost surely, 2^10131440312 is an apocalyptic number.

It is an amenable number.

10131440312 is an abundant number, since it is smaller than the sum of its proper divisors (12214839688).

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

10131440312 is a wasteful number, since it uses less digits than its factorization.

10131440312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290508 (or 290497 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 10131440312 its reverse (21304413101), we get a palindrome (31435853413).

The spelling of 10131440312 in words is "ten billion, one hundred thirty-one million, four hundred forty thousand, three hundred twelve".