203313312030071 has 2 divisors, whose sum is σ = 203313312030072. Its totient is φ = 203313312030070.

The previous prime is 203313312030047. The next prime is 203313312030131. The reversal of 203313312030071 is 170030213313302.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-203313312030071 is a prime.

It is a super-2 number, since 2×203313312030071² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (203313312032071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101656656015035 + 101656656015036.

It is an arithmetic number, because the mean of its divisors is an integer number (101656656015036).

Almost surely, 2^{203313312030071} is an apocalyptic number.

203313312030071 is a deficient number, since it is larger than the sum of its proper divisors (1).

203313312030071 is an equidigital number, since it uses as much as digits as its factorization.

203313312030071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6804, while the sum is 29.

Adding to 203313312030071 its reverse (170030213313302), we get a palindrome (373343525343373).

The spelling of 203313312030071 in words is "two hundred three trillion, three hundred thirteen billion, three hundred twelve million, thirty thousand, seventy-one".