1343313400 has 144 divisors (see below), whose sum is σ = 3690399960. Its totient is φ = 450777600.

The previous prime is 1343313373. The next prime is 1343313403. The reversal of 1343313400 is 43133431.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1343313403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 369994 + ... + 373606.

Almost surely, 2^1343313400 is an apocalyptic number.

1343313400 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 1343313400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1845199980).

1343313400 is an abundant number, since it is smaller than the sum of its proper divisors (2347086560).

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

1343313400 is a wasteful number, since it uses less digits than its factorization.

1343313400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3666 (or 3644 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

The square root of 1343313400 is about 36651.2400881607. The cubic root of 1343313400 is about 1103.3817142029.

Adding to 1343313400 its reverse (43133431), we get a palindrome (1386446831).

It can be divided in two parts, 134331 and 3400, that added together give a palindrome (137731).

The spelling of 1343313400 in words is "one billion, three hundred forty-three million, three hundred thirteen thousand, four hundred".