231230311001 has 2 divisors, whose sum is σ = 231230311002. Its totient is φ = 231230311000.

The previous prime is 231230310991. The next prime is 231230311007. The reversal of 231230311001 is 100113032132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 217081446400 + 14148864601 = 465920^2 + 118949^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-231230311001 is a prime.

It is not a weakly prime, because it can be changed into another prime (231230311007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115615155500 + 115615155501.

It is an arithmetic number, because the mean of its divisors is an integer number (115615155501).

Almost surely, 2^231230311001 is an apocalyptic number.

It is an amenable number.

231230311001 is a deficient number, since it is larger than the sum of its proper divisors (1).

231230311001 is an equidigital number, since it uses as much as digits as its factorization.

231230311001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 231230311001 its reverse (100113032132), we get a palindrome (331343343133).

The spelling of 231230311001 in words is "two hundred thirty-one billion, two hundred thirty million, three hundred eleven thousand, one".