231010001 has 2 divisors, whose sum is σ = 231010002. Its totient is φ = 231010000.

The previous prime is 231009979. The next prime is 231010009. The reversal of 231010001 is 100010132.

It is an a-pointer prime, because the next prime (231010009) can be obtained adding 231010001 to its sum of digits (8).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 231009601 + 400 = 15199^2 + 20^2 .

It is a cyclic number.

It is not a de Polignac number, because 231010001 - 2¹⁸ = 230747857 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (231010009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115505000 + 115505001.

It is an arithmetic number, because the mean of its divisors is an integer number (115505001).

Almost surely, 2^231010001 is an apocalyptic number.

It is an amenable number.

231010001 is a deficient number, since it is larger than the sum of its proper divisors (1).

231010001 is an equidigital number, since it uses as much as digits as its factorization.

231010001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6, while the sum is 8.

The square root of 231010001 is about 15199.0131587547. The cubic root of 231010001 is about 613.5880986812.

Adding to 231010001 its reverse (100010132), we get a palindrome (331020133).

The spelling of 231010001 in words is "two hundred thirty-one million, ten thousand, one".