205231415107 has 2 divisors, whose sum is σ = 205231415108. Its totient is φ = 205231415106.

The previous prime is 205231415041. The next prime is 205231415143. The reversal of 205231415107 is 701514132502.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 205231415107 - 2¹¹ = 205231413059 is a prime.

It is not a weakly prime, because it can be changed into another prime (205231415167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102615707553 + 102615707554.

It is an arithmetic number, because the mean of its divisors is an integer number (102615707554).

Almost surely, 2^205231415107 is an apocalyptic number.

205231415107 is a deficient number, since it is larger than the sum of its proper divisors (1).

205231415107 is an equidigital number, since it uses as much as digits as its factorization.

205231415107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8400, while the sum is 31.

Adding to 205231415107 its reverse (701514132502), we get a palindrome (906745547609).

The spelling of 205231415107 in words is "two hundred five billion, two hundred thirty-one million, four hundred fifteen thousand, one hundred seven".