203122334402149 has 2 divisors, whose sum is σ = 203122334402150. Its totient is φ = 203122334402148.

The previous prime is 203122334402027. The next prime is 203122334402213. The reversal of 203122334402149 is 941204433221302.

203122334402149 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 189246299649124 + 13876034753025 = 13756682^2 + 3725055^2 .

It is a cyclic number.

It is not a de Polignac number, because 203122334402149 - 2¹⁹ = 203122333877861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (203122334405149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101561167201074 + 101561167201075.

It is an arithmetic number, because the mean of its divisors is an integer number (101561167201075).

Almost surely, 2^{203122334402149} is an apocalyptic number.

It is an amenable number.

203122334402149 is a deficient number, since it is larger than the sum of its proper divisors (1).

203122334402149 is an equidigital number, since it uses as much as digits as its factorization.

203122334402149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 248832, while the sum is 40.

The spelling of 203122334402149 in words is "two hundred three trillion, one hundred twenty-two billion, three hundred thirty-four million, four hundred two thousand, one hundred forty-nine".