1310321144144 has 40 divisors (see below), whose sum is σ = 2651955472320. Its totient is φ = 626006354688.

The previous prime is 1310321144057. The next prime is 1310321144173. The reversal of 1310321144144 is 4414411230131.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1555214 + ... + 2244845.

It is an arithmetic number, because the mean of its divisors is an integer number (66298886808).

Almost surely, 2^{1310321144144} is an apocalyptic number.

It is an amenable number.

1310321144144 is an abundant number, since it is smaller than the sum of its proper divisors (1341634328176).

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

1310321144144 is a wasteful number, since it uses less digits than its factorization.

1310321144144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3801027 (or 3801021 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

Adding to 1310321144144 its reverse (4414411230131), we get a palindrome (5724732374275).

The spelling of 1310321144144 in words is "one trillion, three hundred ten billion, three hundred twenty-one million, one hundred forty-four thousand, one hundred forty-four".