231320223007 has 2 divisors, whose sum is σ = 231320223008. Its totient is φ = 231320223006.

The previous prime is 231320222993. The next prime is 231320223059. The reversal of 231320223007 is 700322023132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 231320223007 - 2¹⁵ = 231320190239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231320223107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115660111503 + 115660111504.

It is an arithmetic number, because the mean of its divisors is an integer number (115660111504).

Almost surely, 2^231320223007 is an apocalyptic number.

231320223007 is a deficient number, since it is larger than the sum of its proper divisors (1).

231320223007 is an equidigital number, since it uses as much as digits as its factorization.

231320223007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 25.

Adding to 231320223007 its reverse (700322023132), we get a palindrome (931642246139).

The spelling of 231320223007 in words is "two hundred thirty-one billion, three hundred twenty million, two hundred twenty-three thousand, seven".