231400033 has 8 divisors (see below), whose sum is σ = 241613568. Its totient is φ = 221199264.

The previous prime is 231400003. The next prime is 231400049. The reversal of 231400033 is 330004132.

231400033 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 231400033 - 2²¹ = 229302881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231400003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66216 + ... + 69622.

It is an arithmetic number, because the mean of its divisors is an integer number (30201696).

Almost surely, 2^231400033 is an apocalyptic number.

231400033 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

231400033 is a deficient number, since it is larger than the sum of its proper divisors (10213535).

231400033 is a wasteful number, since it uses less digits than its factorization.

231400033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6383.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 231400033 is about 15211.8385805267. The cubic root of 231400033 is about 613.9332272204.

Adding to 231400033 its reverse (330004132), we get a palindrome (561404165).

The spelling of 231400033 in words is "two hundred thirty-one million, four hundred thousand, thirty-three".