203231310071 has 2 divisors, whose sum is σ = 203231310072. Its totient is φ = 203231310070.

The previous prime is 203231310067. The next prime is 203231310211. The reversal of 203231310071 is 170013132302.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 203231310071 - 2² = 203231310067 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (203231315071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101615655035 + 101615655036.

It is an arithmetic number, because the mean of its divisors is an integer number (101615655036).

Almost surely, 2^203231310071 is an apocalyptic number.

203231310071 is a deficient number, since it is larger than the sum of its proper divisors (1).

203231310071 is an equidigital number, since it uses as much as digits as its factorization.

203231310071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 756, while the sum is 23.

Adding to 203231310071 its reverse (170013132302), we get a palindrome (373244442373).

The spelling of 203231310071 in words is "two hundred three billion, two hundred thirty-one million, three hundred ten thousand, seventy-one".