231303383 has 2 divisors, whose sum is σ = 231303384. Its totient is φ = 231303382.

The previous prime is 231303361. The next prime is 231303419. The reversal of 231303383 is 383303132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 231303383 - 2¹⁰ = 231302359 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231303323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115651691 + 115651692.

It is an arithmetic number, because the mean of its divisors is an integer number (115651692).

Almost surely, 2^231303383 is an apocalyptic number.

231303383 is a deficient number, since it is larger than the sum of its proper divisors (1).

231303383 is an equidigital number, since it uses as much as digits as its factorization.

231303383 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 26.

The square root of 231303383 is about 15208.6614466889. The cubic root of 231303383 is about 613.8477404716.

The spelling of 231303383 in words is "two hundred thirty-one million, three hundred three thousand, three hundred eighty-three".