1343320551100 has 72 divisors (see below), whose sum is σ = 3180221952768. Its totient is φ = 488447044800.

The previous prime is 1343320551091. The next prime is 1343320551101. The reversal of 1343320551100 is 11550233431.

It is a happy number.

It is a super-2 number, since 2×1343320551100² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1343320551101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21047437 + ... + 21111163.

It is an arithmetic number, because the mean of its divisors is an integer number (44169749344).

Almost surely, 2^{1343320551100} is an apocalyptic number.

1343320551100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1343320551100 is an abundant number, since it is smaller than the sum of its proper divisors (1836901401668).

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

1343320551100 is a wasteful number, since it uses less digits than its factorization.

1343320551100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82915 (or 82908 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 28.

Adding to 1343320551100 its reverse (11550233431), we get a palindrome (1354870784531).

The spelling of 1343320551100 in words is "one trillion, three hundred forty-three billion, three hundred twenty million, five hundred fifty-one thousand, one hundred".