201444431103 has 12 divisors (see below), whose sum is σ = 295745376888. Its totient is φ = 132094708560.

The previous prime is 201444431081. The next prime is 201444431107. The reversal of 201444431103 is 301134444102.

201444431103 is a `hidden beast` number, since 201 + 4 + 4 + 443 + 1 + 10 + 3 = 666.

It is not a de Polignac number, because 201444431103 - 2¹⁰ = 201444430079 is a prime.

It is a super-2 number, since 2×201444431103² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201444431107) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 183464325 + ... + 183465422.

It is an arithmetic number, because the mean of its divisors is an integer number (24645448074).

Almost surely, 2^201444431103 is an apocalyptic number.

201444431103 is a deficient number, since it is larger than the sum of its proper divisors (94300945785).

201444431103 is a wasteful number, since it uses less digits than its factorization.

201444431103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366929814 (or 366929811 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 201444431103 its reverse (301134444102), we get a palindrome (502578875205).

The spelling of 201444431103 in words is "two hundred one billion, four hundred forty-four million, four hundred thirty-one thousand, one hundred three".