1343440111 has 8 divisors (see below), whose sum is σ = 1447084800. Its totient is φ = 1239838752.

The previous prime is 1343440093. The next prime is 1343440117. The reversal of 1343440111 is 1110443431.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1343440111 - 2⁷ = 1343439983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1343440117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85065 + ... + 99613.

It is an arithmetic number, because the mean of its divisors is an integer number (180885600).

Almost surely, 2^1343440111 is an apocalyptic number.

1343440111 is a deficient number, since it is larger than the sum of its proper divisors (103644689).

1343440111 is a wasteful number, since it uses less digits than its factorization.

1343440111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21665.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 1343440111 is about 36652.9686519387. The cubic root of 1343440111 is about 1103.4164060836.

Adding to 1343440111 its reverse (1110443431), we get a palindrome (2453883542).

The spelling of 1343440111 in words is "one billion, three hundred forty-three million, four hundred forty thousand, one hundred eleven".