1313221103310 has 16 divisors (see below), whose sum is σ = 3151730648016. Its totient is φ = 350192294208.

The previous prime is 1313221103297. The next prime is 1313221103317. The reversal of 1313221103310 is 133011223131.

It is a happy number.

It is a super-2 number, since 2×1313221103310² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313221103317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21887018359 + ... + 21887018418.

It is an arithmetic number, because the mean of its divisors is an integer number (196983165501).

Almost surely, 2^{1313221103310} is an apocalyptic number.

1313221103310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1313221103310 is an abundant number, since it is smaller than the sum of its proper divisors (1838509544706).

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

1313221103310 is a wasteful number, since it uses less digits than its factorization.

1313221103310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43774036787.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 1313221103310 its reverse (133011223131), we get a palindrome (1446232326441).

The spelling of 1313221103310 in words is "one trillion, three hundred thirteen billion, two hundred twenty-one million, one hundred three thousand, three hundred ten".