201031004403 has 12 divisors (see below), whose sum is σ = 290382612000. Its totient is φ = 134018595216.

The previous prime is 201031004359. The next prime is 201031004453. The reversal of 201031004403 is 304400130102.

201031004403 is a `hidden beast` number, since 20 + 103 + 100 + 440 + 3 = 666.

It is not a de Polignac number, because 201031004403 - 2¹² = 201031000307 is a prime.

It is not an unprimeable number, because it can be changed into a prime (201031004453) 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, 644125 + ... + 903857.

It is an arithmetic number, because the mean of its divisors is an integer number (24198551000).

Almost surely, 2^201031004403 is an apocalyptic number.

201031004403 is a deficient number, since it is larger than the sum of its proper divisors (89351607597).

201031004403 is a wasteful number, since it uses less digits than its factorization.

201031004403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345738 (or 345735 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 201031004403 its reverse (304400130102), we get a palindrome (505431134505).

The spelling of 201031004403 in words is "two hundred one billion, thirty-one million, four thousand, four hundred three".