231020963 has 2 divisors, whose sum is σ = 231020964. Its totient is φ = 231020962.

The previous prime is 231020957. The next prime is 231021023. The reversal of 231020963 is 369020132.

231020963 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 231020963 - 2⁸ = 231020707 is a prime.

It is not a weakly prime, because it can be changed into another prime (231020903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115510481 + 115510482.

It is an arithmetic number, because the mean of its divisors is an integer number (115510482).

Almost surely, 2^231020963 is an apocalyptic number.

231020963 is a deficient number, since it is larger than the sum of its proper divisors (1).

231020963 is an equidigital number, since it uses as much as digits as its factorization.

231020963 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 231020963 is about 15199.3737699946. The cubic root of 231020963 is about 613.5978039556.

The spelling of 231020963 in words is "two hundred thirty-one million, twenty thousand, nine hundred sixty-three".