231466633 has 2 divisors, whose sum is σ = 231466634. Its totient is φ = 231466632.

The previous prime is 231466621. The next prime is 231466643. The reversal of 231466633 is 336664132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 186267904 + 45198729 = 13648^2 + 6723^2 .

It is a cyclic number.

It is not a de Polignac number, because 231466633 - 2⁹ = 231466121 is a prime.

It is not a weakly prime, because it can be changed into another prime (231466643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115733316 + 115733317.

It is an arithmetic number, because the mean of its divisors is an integer number (115733317).

Almost surely, 2^231466633 is an apocalyptic number.

It is an amenable number.

231466633 is a deficient number, since it is larger than the sum of its proper divisors (1).

231466633 is an equidigital number, since it uses as much as digits as its factorization.

231466633 is an evil number, because the sum of its binary digits is even.

The product of its digits is 46656, while the sum is 34.

The square root of 231466633 is about 15214.0275075340. The cubic root of 231466633 is about 613.9921209470.

The spelling of 231466633 in words is "two hundred thirty-one million, four hundred sixty-six thousand, six hundred thirty-three".