2313312600644 has 6 divisors (see below), whose sum is σ = 4048297051134. Its totient is φ = 1156656300320.

The previous prime is 2313312600589. The next prime is 2313312600659. The reversal of 2313312600644 is 4460062133132.

It can be written as a sum of positive squares in only one way, i.e., 1628589450244 + 684723150400 = 1276162^2 + 827480^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 289164075077 + ... + 289164075084.

It is an arithmetic number, because the mean of its divisors is an integer number (674716175189).

Almost surely, 2^{2313312600644} is an apocalyptic number.

It is an amenable number.

2313312600644 is a deficient number, since it is larger than the sum of its proper divisors (1734984450490).

2313312600644 is a wasteful number, since it uses less digits than its factorization.

2313312600644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 578328150165 (or 578328150163 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 35.

Adding to 2313312600644 its reverse (4460062133132), we get a palindrome (6773374733776).

The spelling of 2313312600644 in words is "two trillion, three hundred thirteen billion, three hundred twelve million, six hundred thousand, six hundred forty-four".