231243400333 has 16 divisors (see below), whose sum is σ = 253223807040. Its totient is φ = 209423564800.

The previous prime is 231243400319. The next prime is 231243400343. The reversal of 231243400333 is 333004342132.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-231243400333 is a prime.

It is a super-3 number, since 3×231243400333³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231243400343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5624973 + ... + 5665933.

It is an arithmetic number, because the mean of its divisors is an integer number (15826487940).

Almost surely, 2^231243400333 is an apocalyptic number.

It is an amenable number.

231243400333 is a deficient number, since it is larger than the sum of its proper divisors (21980406707).

231243400333 is a wasteful number, since it uses less digits than its factorization.

231243400333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42908.

The product of its (nonzero) digits is 15552, while the sum is 28.

Adding to 231243400333 its reverse (333004342132), we get a palindrome (564247742465).

The spelling of 231243400333 in words is "two hundred thirty-one billion, two hundred forty-three million, four hundred thousand, three hundred thirty-three".