1343220000 has 240 divisors, whose sum is σ = 4490462592. Its totient is φ = 351360000.

The previous prime is 1343219993. The next prime is 1343220001. The reversal of 1343220000 is 223431.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (1343220001) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 3659817 + ... + 3660183.

Almost surely, 2^1343220000 is an apocalyptic number.

1343220000 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 1343220000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2245231296).

1343220000 is an abundant number, since it is smaller than the sum of its proper divisors (3147242592).

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

1343220000 is an equidigital number, since it uses as much as digits as its factorization.

1343220000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 461 (or 438 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 1343220000 is about 36649.9658935721. The cubic root of 1343220000 is about 1103.3561410590.

Adding to 1343220000 its reverse (223431), we get a palindrome (1343443431).

The spelling of 1343220000 in words is "one billion, three hundred forty-three million, two hundred twenty thousand".