10312311144 has 128 divisors (see below), whose sum is σ = 28061510400. Its totient is φ = 3150120960.

The previous prime is 10312311143. The next prime is 10312311241. The reversal of 10312311144 is 44111321301.

It is a super-2 number, since 2×10312311144² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10312311144.

It is not an unprimeable number, because it can be changed into a prime (10312311143) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1050949 + ... + 1060715.

It is an arithmetic number, because the mean of its divisors is an integer number (219230550).

Almost surely, 2^10312311144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10312311144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14030755200).

10312311144 is an abundant number, since it is smaller than the sum of its proper divisors (17749199256).

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

10312311144 is a wasteful number, since it uses less digits than its factorization.

10312311144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9883 (or 9879 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 10312311144 its reverse (44111321301), we get a palindrome (54423632445).

The spelling of 10312311144 in words is "ten billion, three hundred twelve million, three hundred eleven thousand, one hundred forty-four".