201331441023 has 16 divisors (see below), whose sum is σ = 269070041856. Its totient is φ = 133907230080.

The previous prime is 201331441021. The next prime is 201331441037. The reversal of 201331441023 is 320144133102.

It is a happy number.

It is not a de Polignac number, because 201331441023 - 2¹ = 201331441021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 201331440984 and 201331441002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201331441021) 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, 2461678 + ... + 2542148.

It is an arithmetic number, because the mean of its divisors is an integer number (16816877616).

Almost surely, 2^201331441023 is an apocalyptic number.

201331441023 is a deficient number, since it is larger than the sum of its proper divisors (67738600833).

201331441023 is a wasteful number, since it uses less digits than its factorization.

201331441023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82414.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 201331441023 its reverse (320144133102), we get a palindrome (521475574125).

The spelling of 201331441023 in words is "two hundred one billion, three hundred thirty-one million, four hundred forty-one thousand, twenty-three".