1210311313444 has 12 divisors (see below), whose sum is σ = 2136788558604. Its totient is φ = 599800296704.

The previous prime is 1210311313399. The next prime is 1210311313501. The reversal of 1210311313444 is 4443131130121.

It can be written as a sum of positive squares in 2 ways, for example, as 188416764900 + 1021894548544 = 434070^2 + 1010888^2 .

It is a super-2 number, since 2×1210311313444² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1338839497 + ... + 1338840400.

It is an arithmetic number, because the mean of its divisors is an integer number (178065713217).

Almost surely, 2^{1210311313444} is an apocalyptic number.

It is an amenable number.

1210311313444 is a deficient number, since it is larger than the sum of its proper divisors (926477245160).

1210311313444 is a wasteful number, since it uses less digits than its factorization.

1210311313444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2677680014 (or 2677680012 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

Adding to 1210311313444 its reverse (4443131130121), we get a palindrome (5653442443565).

The spelling of 1210311313444 in words is "one trillion, two hundred ten billion, three hundred eleven million, three hundred thirteen thousand, four hundred forty-four".