231000033 has 16 divisors (see below), whose sum is σ = 337715136. Its totient is φ = 139285440.

The previous prime is 231000013. The next prime is 231000041. The reversal of 231000033 is 330000132.

It is a happy number.

It is not a de Polignac number, because 231000033 - 2⁶ = 230999969 is a prime.

It is a super-2 number, since 2×231000033² = 106722030492002178, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 230999982 and 231000018.

It is not an unprimeable number, because it can be changed into a prime (231000013) 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, 11266 + ... + 24267.

It is an arithmetic number, because the mean of its divisors is an integer number (21107196).

Almost surely, 2^231000033 is an apocalyptic number.

It is an amenable number.

231000033 is a deficient number, since it is larger than the sum of its proper divisors (106715103).

231000033 is a wasteful number, since it uses less digits than its factorization.

231000033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35744.

The product of its (nonzero) digits is 54, while the sum is 12.

The square root of 231000033 is about 15198.6852391909. The cubic root of 231000033 is about 613.5792731843.

Adding to 231000033 its reverse (330000132), we get a palindrome (561000165).

Subtracting 231000033 from its reverse (330000132), we obtain a palindrome (99000099).

The spelling of 231000033 in words is "two hundred thirty-one million, thirty-three", and thus it is an aban number.