231332333011 has 16 divisors (see below), whose sum is σ = 250744824288. Its totient is φ = 212155200000.

The previous prime is 231332333009. The next prime is 231332333027. The reversal of 231332333011 is 110333233132.

It is a cyclic number.

It is not a de Polignac number, because 231332333011 - 2¹ = 231332333009 is a prime.

It is a super-2 number, since 2×231332333011² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231332333311) 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 15 ways as a sum of consecutive naturals, for example, 1220065 + ... + 1396861.

It is an arithmetic number, because the mean of its divisors is an integer number (15671551518).

Almost surely, 2^231332333011 is an apocalyptic number.

231332333011 is a deficient number, since it is larger than the sum of its proper divisors (19412491277).

231332333011 is a wasteful number, since it uses less digits than its factorization.

231332333011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177462.

The product of its (nonzero) digits is 2916, while the sum is 25.

Adding to 231332333011 its reverse (110333233132), we get a palindrome (341665566143).

The spelling of 231332333011 in words is "two hundred thirty-one billion, three hundred thirty-two million, three hundred thirty-three thousand, eleven".