201044443431 has 16 divisors (see below), whose sum is σ = 288689677920. Its totient is φ = 123715167360.

The previous prime is 201044443429. The next prime is 201044443433. The reversal of 201044443431 is 134344440102.

It is an interprime number because it is at equal distance from previous prime (201044443429) and next prime (201044443433).

It is not a de Polignac number, because 201044443431 - 2¹ = 201044443429 is a prime.

It is a super-2 number, since 2×201044443431² (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 (201044443433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1232905 + ... + 1386413.

It is an arithmetic number, because the mean of its divisors is an integer number (18043104870).

Almost surely, 2^201044443431 is an apocalyptic number.

201044443431 is a deficient number, since it is larger than the sum of its proper divisors (87645234489).

201044443431 is a wasteful number, since it uses less digits than its factorization.

201044443431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187106.

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 201044443431 its reverse (134344440102), we get a palindrome (335388883533).

The spelling of 201044443431 in words is "two hundred one billion, forty-four million, four hundred forty-three thousand, four hundred thirty-one".