203031011211349 has 2 divisors, whose sum is σ = 203031011211350. Its totient is φ = 203031011211348.

The previous prime is 203031011211269. The next prime is 203031011211401. The reversal of 203031011211349 is 943112110130302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 112967456818225 + 90063554393124 = 10628615^2 + 9490182^2 .

It is a cyclic number.

It is not a de Polignac number, because 203031011211349 - 2²³ = 203031002822741 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 203031011211349.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (203031011251349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101515505605674 + 101515505605675.

It is an arithmetic number, because the mean of its divisors is an integer number (101515505605675).

Almost surely, 2^{203031011211349} is an apocalyptic number.

It is an amenable number.

203031011211349 is a deficient number, since it is larger than the sum of its proper divisors (1).

203031011211349 is an equidigital number, since it uses as much as digits as its factorization.

203031011211349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 31.

The spelling of 203031011211349 in words is "two hundred three trillion, thirty-one billion, eleven million, two hundred eleven thousand, three hundred forty-nine".