201331103 has 2 divisors, whose sum is σ = 201331104. Its totient is φ = 201331102.

The previous prime is 201331073. The next prime is 201331111. The reversal of 201331103 is 301133102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 201331103 - 2¹⁰ = 201330079 is a prime.

It is a super-3 number, since 3×201331103³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201331133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100665551 + 100665552.

It is an arithmetic number, because the mean of its divisors is an integer number (100665552).

Almost surely, 2^201331103 is an apocalyptic number.

201331103 is a deficient number, since it is larger than the sum of its proper divisors (1).

201331103 is an equidigital number, since it uses as much as digits as its factorization.

201331103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 201331103 is about 14189.1191763266. The cubic root of 201331103 is about 586.0980695672.

Adding to 201331103 its reverse (301133102), we get a palindrome (502464205).

The spelling of 201331103 in words is "two hundred one million, three hundred thirty-one thousand, one hundred three".