231001307 has 2 divisors, whose sum is σ = 231001308. Its totient is φ = 231001306.

The previous prime is 231001237. The next prime is 231001313. The reversal of 231001307 is 703100132.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 231001307 - 2²⁴ = 214224091 is a prime.

It is not a weakly prime, because it can be changed into another prime (231001357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115500653 + 115500654.

It is an arithmetic number, because the mean of its divisors is an integer number (115500654).

Almost surely, 2^231001307 is an apocalyptic number.

231001307 is a deficient number, since it is larger than the sum of its proper divisors (1).

231001307 is an equidigital number, since it uses as much as digits as its factorization.

231001307 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 126, while the sum is 17.

The square root of 231001307 is about 15198.7271506531. The cubic root of 231001307 is about 613.5804011762.

Adding to 231001307 its reverse (703100132), we get a palindrome (934101439).

The spelling of 231001307 in words is "two hundred thirty-one million, one thousand, three hundred seven".