230631001 has 2 divisors, whose sum is σ = 230631002. Its totient is φ = 230631000.

The previous prime is 230630999. The next prime is 230631007. The reversal of 230631001 is 100136032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 176225625 + 54405376 = 13275^2 + 7376^2 .

It is a cyclic number.

It is not a de Polignac number, because 230631001 - 2¹ = 230630999 is a prime.

Together with 230630999, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (230631007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115315500 + 115315501.

It is an arithmetic number, because the mean of its divisors is an integer number (115315501).

Almost surely, 2^230631001 is an apocalyptic number.

It is an amenable number.

230631001 is a deficient number, since it is larger than the sum of its proper divisors (1).

230631001 is an equidigital number, since it uses as much as digits as its factorization.

230631001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 230631001 is about 15186.5401260458. The cubic root of 230631001 is about 613.2523597090.

Adding to 230631001 its reverse (100136032), we get a palindrome (330767033).

The spelling of 230631001 in words is "two hundred thirty million, six hundred thirty-one thousand, one".