2031312400244 has 24 divisors (see below), whose sum is σ = 3668079384648. Its totient is φ = 983651356160.

The previous prime is 2031312400241. The next prime is 2031312400267. The reversal of 2031312400244 is 4420042131302.

It can be written as a sum of positive squares in 4 ways, for example, as 25973190244 + 2005339210000 = 161162^2 + 1416100^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2031312400241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45182099 + ... + 45227034.

It is an arithmetic number, because the mean of its divisors is an integer number (152836641027).

Almost surely, 2^{2031312400244} is an apocalyptic number.

It is an amenable number.

2031312400244 is a deficient number, since it is larger than the sum of its proper divisors (1636766984404).

2031312400244 is a wasteful number, since it uses less digits than its factorization.

2031312400244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90409315 (or 90409313 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 2031312400244 its reverse (4420042131302), we get a palindrome (6451354531546).

The spelling of 2031312400244 in words is "two trillion, thirty-one billion, three hundred twelve million, four hundred thousand, two hundred forty-four".