231014233 has 2 divisors, whose sum is σ = 231014234. Its totient is φ = 231014232.

The previous prime is 231014197. The next prime is 231014237. The reversal of 231014233 is 332410132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 143928009 + 87086224 = 11997^2 + 9332^2 .

It is a cyclic number.

It is not a de Polignac number, because 231014233 - 2²¹ = 228917081 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 231014233.

It is not a weakly prime, because it can be changed into another prime (231014237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115507116 + 115507117.

It is an arithmetic number, because the mean of its divisors is an integer number (115507117).

Almost surely, 2^231014233 is an apocalyptic number.

It is an amenable number.

231014233 is a deficient number, since it is larger than the sum of its proper divisors (1).

231014233 is an equidigital number, since it uses as much as digits as its factorization.

231014233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 231014233 is about 15199.1523776821. The cubic root of 231014233 is about 613.5918455449.

Adding to 231014233 its reverse (332410132), we get a palindrome (563424365).

It can be divided in two parts, 2310142 and 33, that added together give a triangular number (2310175 = T₂₁₄₉).

The spelling of 231014233 in words is "two hundred thirty-one million, fourteen thousand, two hundred thirty-three".