233012011231 has 8 divisors (see below), whose sum is σ = 241303096800. Its totient is φ = 224738004960.

The previous prime is 233012011163. The next prime is 233012011247. The reversal of 233012011231 is 132110210332.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 233012011231 - 2⁹ = 233012010719 is a prime.

It is a super-2 number, since 2×233012011231² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 233012011199 and 233012011208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233012011031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4242051 + ... + 4296628.

It is an arithmetic number, because the mean of its divisors is an integer number (30162887100).

Almost surely, 2^233012011231 is an apocalyptic number.

233012011231 is a deficient number, since it is larger than the sum of its proper divisors (8291085569).

233012011231 is an equidigital number, since it uses as much as digits as its factorization.

233012011231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8539649.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 233012011231 its reverse (132110210332), we get a palindrome (365122221563).

The spelling of 233012011231 in words is "two hundred thirty-three billion, twelve million, eleven thousand, two hundred thirty-one".