1343112100 has 72 divisors (see below), whose sum is σ = 3206107296. Its totient is φ = 488356000.

The previous prime is 1343112097. The next prime is 1343112161. The reversal of 1343112100 is 12113431.

It is a super-2 number, since 2×1343112100² = 3607900226332820000, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 128055 + ... + 138145.

It is an arithmetic number, because the mean of its divisors is an integer number (44529268).

Almost surely, 2^1343112100 is an apocalyptic number.

1343112100 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 1343112100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1603053648).

1343112100 is an abundant number, since it is smaller than the sum of its proper divisors (1862995196).

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

1343112100 is a wasteful number, since it uses less digits than its factorization.

1343112100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10138 (or 10109 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1343112100 is about 36648.4938298970. The cubic root of 1343112100 is about 1103.3265963045.

Adding to 1343112100 its reverse (12113431), we get a palindrome (1355225531).

The spelling of 1343112100 in words is "one billion, three hundred forty-three million, one hundred twelve thousand, one hundred".