1343504221320 has 64 divisors (see below), whose sum is σ = 4038248960640. Its totient is φ = 357580121600.

The previous prime is 1343504221307. The next prime is 1343504221349. The reversal of 1343504221320 is 231224053431.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10682076 + ... + 10807115.

It is an arithmetic number, because the mean of its divisors is an integer number (63097640010).

Almost surely, 2^{1343504221320} is an apocalyptic number.

1343504221320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1343504221320 is an abundant number, since it is smaller than the sum of its proper divisors (2694744739320).

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

1343504221320 is a wasteful number, since it uses less digits than its factorization.

1343504221320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21489726 (or 21489722 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 1343504221320 its reverse (231224053431), we get a palindrome (1574728274751).

The spelling of 1343504221320 in words is "one trillion, three hundred forty-three billion, five hundred four million, two hundred twenty-one thousand, three hundred twenty".