231033440100011 has 4 divisors (see below), whose sum is σ = 231892300472400. Its totient is φ = 230174579727624.

The previous prime is 231033440099951. The next prime is 231033440100041. The reversal of 231033440100011 is 110001044330132.

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 231033440100011 - 2¹⁸ = 231033439837867 is a prime.

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 231033440100011.

It is not an unprimeable number, because it can be changed into a prime (231033440100041) 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, 429430185791 + ... + 429430186328.

It is an arithmetic number, because the mean of its divisors is an integer number (57973075118100).

Almost surely, 2^{231033440100011} is an apocalyptic number.

231033440100011 is a deficient number, since it is larger than the sum of its proper divisors (858860372389).

231033440100011 is an equidigital number, since it uses as much as digits as its factorization.

231033440100011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 858860372388.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 231033440100011 its reverse (110001044330132), we get a palindrome (341034484430143).

The spelling of 231033440100011 in words is "two hundred thirty-one trillion, thirty-three billion, four hundred forty million, one hundred thousand, eleven".