201142312311 has 16 divisors (see below), whose sum is σ = 269526332288. Its totient is φ = 133426893600.

The previous prime is 201142312279. The next prime is 201142312313. The reversal of 201142312311 is 113213241102.

It is not a de Polignac number, because 201142312311 - 2⁵ = 201142312279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201142312313) 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, 2721516 + ... + 2794446.

It is an arithmetic number, because the mean of its divisors is an integer number (16845395768).

Almost surely, 2^201142312311 is an apocalyptic number.

201142312311 is a deficient number, since it is larger than the sum of its proper divisors (68384019977).

201142312311 is a wasteful number, since it uses less digits than its factorization.

201142312311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77502.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 201142312311 its reverse (113213241102), we get a palindrome (314355553413).

The spelling of 201142312311 in words is "two hundred one billion, one hundred forty-two million, three hundred twelve thousand, three hundred eleven".