113311031011 has 4 divisors (see below), whose sum is σ = 113323047552. Its totient is φ = 113299014472.

The previous prime is 113311030927. The next prime is 113311031017. The reversal of 113311031011 is 110130113311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 113311031011 - 2¹⁷ = 113310899939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113311031017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5994115 + ... + 6012988.

It is an arithmetic number, because the mean of its divisors is an integer number (28330761888).

Almost surely, 2^113311031011 is an apocalyptic number.

113311031011 is a deficient number, since it is larger than the sum of its proper divisors (12016541).

113311031011 is an equidigital number, since it uses as much as digits as its factorization.

113311031011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12016540.

The product of its (nonzero) digits is 27, while the sum is 16.

Adding to 113311031011 its reverse (110130113311), we get a palindrome (223441144322).

The spelling of 113311031011 in words is "one hundred thirteen billion, three hundred eleven million, thirty-one thousand, eleven".