231113011 has 12 divisors (see below), whose sum is σ = 246479248. Its totient is φ = 216657792.

The previous prime is 231112997. The next prime is 231113033. The reversal of 231113011 is 110311132.

It is not a de Polignac number, because 231113011 - 2⁷ = 231112883 is a prime.

It is a super-2 number, since 2×231113011² = 106826447706972242, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 231112982 and 231113000.

It is not an unprimeable number, because it can be changed into a prime (231113041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 78610 + ... + 81496.

Almost surely, 2^231113011 is an apocalyptic number.

231113011 is a deficient number, since it is larger than the sum of its proper divisors (15366237).

231113011 is a wasteful number, since it uses less digits than its factorization.

231113011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3198 (or 3181 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 231113011 is about 15202.4014879229. The cubic root of 231113011 is about 613.6792871108.

Adding to 231113011 its reverse (110311132), we get a palindrome (341424143).

The spelling of 231113011 in words is "two hundred thirty-one million, one hundred thirteen thousand, eleven".