1310222113000 has 128 divisors (see below), whose sum is σ = 3268061316000. Its totient is φ = 489948672000.

The previous prime is 1310222112973. The next prime is 1310222113003. The reversal of 1310222113000 is 3112220131.

It can be written as a sum of positive squares in 16 ways, for example, as 246613546404 + 1063608566596 = 496602^2 + 1031314^2 .

It is not an unprimeable number, because it can be changed into a prime (1310222113003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2274370 + ... + 2791630.

Almost surely, 2^{1310222113000} is an apocalyptic number.

1310222113000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1310222113000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1634030658000).

1310222113000 is an abundant number, since it is smaller than the sum of its proper divisors (1957839203000).

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

1310222113000 is a wasteful number, since it uses less digits than its factorization.

1310222113000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517448 (or 517434 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 1310222113000 its reverse (3112220131), we get a palindrome (1313334333131).

The spelling of 1310222113000 in words is "one trillion, three hundred ten billion, two hundred twenty-two million, one hundred thirteen thousand".