1343309900 has 72 divisors (see below), whose sum is σ = 2955487920. Its totient is φ = 529920000.

The previous prime is 1343309843. The next prime is 1343309909. The reversal of 1343309900 is 99033431.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1343309909) 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, 3349700 + ... + 3350100.

Almost surely, 2^1343309900 is an apocalyptic number.

1343309900 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 1343309900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1477743960).

1343309900 is an abundant number, since it is smaller than the sum of its proper divisors (1612178020).

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

1343309900 is a wasteful number, since it uses less digits than its factorization.

1343309900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 795 (or 788 counting only the distinct ones).

The product of its (nonzero) digits is 8748, while the sum is 32.

The square root of 1343309900 is about 36651.1923407684. The cubic root of 1343309900 is about 1103.3807559159.

The spelling of 1343309900 in words is "one billion, three hundred forty-three million, three hundred nine thousand, nine hundred".