231113303011 has 4 divisors (see below), whose sum is σ = 236488031032. Its totient is φ = 225738574992.

The previous prime is 231113302967. The next prime is 231113303059. The reversal of 231113303011 is 110303311132.

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 231113303011 - 2⁷ = 231113302883 is a prime.

It is a super-2 number, since 2×231113303011² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 231113303011.

It is not an unprimeable number, because it can be changed into a prime (231113373011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2687363946 + ... + 2687364031.

It is an arithmetic number, because the mean of its divisors is an integer number (59122007758).

Almost surely, 2^231113303011 is an apocalyptic number.

231113303011 is a deficient number, since it is larger than the sum of its proper divisors (5374728021).

231113303011 is an equidigital number, since it uses as much as digits as its factorization.

231113303011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5374728020.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 231113303011 its reverse (110303311132), we get a palindrome (341416614143).

The spelling of 231113303011 in words is "two hundred thirty-one billion, one hundred thirteen million, three hundred three thousand, eleven".