231200101311 has 16 divisors (see below), whose sum is σ = 309593788416. Its totient is φ = 153471268736.

The previous prime is 231200101289. The next prime is 231200101333. The reversal of 231200101311 is 113101002132.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (231200101289) and next prime (231200101333).

It is a cyclic number.

It is not a de Polignac number, because 231200101311 - 2²⁵ = 231166546879 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231200101361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 511696 + ... + 851018.

It is an arithmetic number, because the mean of its divisors is an integer number (19349611776).

Almost surely, 2^231200101311 is an apocalyptic number.

231200101311 is a deficient number, since it is larger than the sum of its proper divisors (78393687105).

231200101311 is a wasteful number, since it uses less digits than its factorization.

231200101311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340302.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 231200101311 its reverse (113101002132), we get a palindrome (344301103443).

The spelling of 231200101311 in words is "two hundred thirty-one billion, two hundred million, one hundred one thousand, three hundred eleven".