1013111343 has 24 divisors (see below), whose sum is σ = 1474787600. Its totient is φ = 670166784.

The previous prime is 1013111327. The next prime is 1013111387. The reversal of 1013111343 is 3431113101.

1013111343 is a `hidden beast` number, since 10 + 1 + 311 + 1 + 343 = 666.

It is not a de Polignac number, because 1013111343 - 2⁴ = 1013111327 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 (1013111303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 780471 + ... + 781767.

Almost surely, 2^1013111343 is an apocalyptic number.

1013111343 is a deficient number, since it is larger than the sum of its proper divisors (461676257).

1013111343 is a wasteful number, since it uses less digits than its factorization.

1013111343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1911 (or 1908 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 1013111343 is about 31829.4100322328. The cubic root of 1013111343 is about 1004.3514847811.

Adding to 1013111343 its reverse (3431113101), we get a palindrome (4444224444).

The spelling of 1013111343 in words is "one billion, thirteen million, one hundred eleven thousand, three hundred forty-three".