231301001 has 2 divisors, whose sum is σ = 231301002. Its totient is φ = 231301000.

The previous prime is 231300991. The next prime is 231301027. The reversal of 231301001 is 100103132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 230310976 + 990025 = 15176^2 + 995^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-231301001 is a prime.

It is not a weakly prime, because it can be changed into another prime (231321001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115650500 + 115650501.

It is an arithmetic number, because the mean of its divisors is an integer number (115650501).

Almost surely, 2^231301001 is an apocalyptic number.

It is an amenable number.

231301001 is a deficient number, since it is larger than the sum of its proper divisors (1).

231301001 is an equidigital number, since it uses as much as digits as its factorization.

231301001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 231301001 is about 15208.5831358480. The cubic root of 231301001 is about 613.8456332963.

Adding to 231301001 its reverse (100103132), we get a palindrome (331404133).

The spelling of 231301001 in words is "two hundred thirty-one million, three hundred one thousand, one".