203312321711 has 2 divisors, whose sum is σ = 203312321712. Its totient is φ = 203312321710.

The previous prime is 203312321651. The next prime is 203312321753. The reversal of 203312321711 is 117123213302.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-203312321711 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (203312321011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101656160855 + 101656160856.

It is an arithmetic number, because the mean of its divisors is an integer number (101656160856).

Almost surely, 2^203312321711 is an apocalyptic number.

203312321711 is a deficient number, since it is larger than the sum of its proper divisors (1).

203312321711 is an equidigital number, since it uses as much as digits as its factorization.

203312321711 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 26.

The spelling of 203312321711 in words is "two hundred three billion, three hundred twelve million, three hundred twenty-one thousand, seven hundred eleven".