1111313331111 has 8 divisors (see below), whose sum is σ = 1490841606400. Its totient is φ = 736330304952.

The previous prime is 1111313331083. The next prime is 1111313331131. The reversal of 1111313331111 is 1111333131111.

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

It is a de Polignac number, because none of the positive numbers 2^k-1111313331111 is a prime.

It is a nude number because it is divisible by every one of its digits.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111313331131) 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, 1136311711 + ... + 1136312688.

It is an arithmetic number, because the mean of its divisors is an integer number (186355200800).

Almost surely, 2^{1111313331111} is an apocalyptic number.

1111313331111 is a deficient number, since it is larger than the sum of its proper divisors (379528275289).

1111313331111 is a wasteful number, since it uses less digits than its factorization.

1111313331111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2272624565.

The product of its digits is 81, while the sum is 21.

Adding to 1111313331111 its reverse (1111333131111), we get a palindrome (2222646462222).

The spelling of 1111313331111 in words is "one trillion, one hundred eleven billion, three hundred thirteen million, three hundred thirty-one thousand, one hundred eleven".