201231303233311 has 16 divisors (see below), whose sum is σ = 218047850826624. Its totient is φ = 184605867107424.

The previous prime is 201231303233299. The next prime is 201231303233339. The reversal of 201231303233311 is 113332303132102.

It is a happy number.

201231303233311 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 201231303233311 - 2⁴¹ = 199032279977759 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 201231303233311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201231303233711) 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, 58827780 + ... + 62154406.

It is an arithmetic number, because the mean of its divisors is an integer number (13627990676664).

Almost surely, 2^{201231303233311} is an apocalyptic number.

201231303233311 is a deficient number, since it is larger than the sum of its proper divisors (16816547593313).

201231303233311 is a wasteful number, since it uses less digits than its factorization.

201231303233311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3355350.

The product of its (nonzero) digits is 5832, while the sum is 28.

Adding to 201231303233311 its reverse (113332303132102), we get a palindrome (314563606365413).

The spelling of 201231303233311 in words is "two hundred one trillion, two hundred thirty-one billion, three hundred three million, two hundred thirty-three thousand, three hundred eleven".