1310311311444 has 48 divisors (see below), whose sum is σ = 3397166160640. Its totient is φ = 436762368000.

The previous prime is 1310311311409. The next prime is 1310311311469. The reversal of 1310311311444 is 4441131130131.

1310311311444 is a `hidden beast` number, since 1 + 3 + 103 + 113 + 1 + 1 + 444 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9804069 + ... + 9936819.

Almost surely, 2^{1310311311444} is an apocalyptic number.

It is an amenable number.

1310311311444 is an abundant number, since it is smaller than the sum of its proper divisors (2086854849196).

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

1310311311444 is a wasteful number, since it uses less digits than its factorization.

1310311311444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224157 (or 224149 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

Adding to 1310311311444 its reverse (4441131130131), we get a palindrome (5751442441575).

The spelling of 1310311311444 in words is "one trillion, three hundred ten billion, three hundred eleven million, three hundred eleven thousand, four hundred forty-four".