1343112111 has 20 divisors (see below), whose sum is σ = 2188776744. Its totient is φ = 814006800.

The previous prime is 1343112097. The next prime is 1343112161. The reversal of 1343112111 is 1112113431.

It is a happy number.

It is not a de Polignac number, because 1343112111 - 2⁵ = 1343112079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1343112161) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 752820 + ... + 754601.

Almost surely, 2^1343112111 is an apocalyptic number.

1343112111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1343112111 is a deficient number, since it is larger than the sum of its proper divisors (845664633).

1343112111 is a wasteful number, since it uses less digits than its factorization.

1343112111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1507444 (or 1507435 counting only the distinct ones).

The product of its digits is 72, while the sum is 18.

The square root of 1343112111 is about 36648.4939799714. The cubic root of 1343112111 is about 1103.3265993165.

Adding to 1343112111 its reverse (1112113431), we get a palindrome (2455225542).

The spelling of 1343112111 in words is "one billion, three hundred forty-three million, one hundred twelve thousand, one hundred eleven".