4311204112231 has 4 divisors (see below), whose sum is σ = 4311240064000. Its totient is φ = 4311168160464.

The previous prime is 4311204112217. The next prime is 4311204112247. The reversal of 4311204112231 is 1322114021134.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4311204112231 - 2⁹ = 4311204111719 is a prime.

It is a super-2 number, since 2×4311204112231² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4311204112196 and 4311204112205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4311204112291) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17795406 + ... + 18036043.

It is an arithmetic number, because the mean of its divisors is an integer number (1077810016000).

Almost surely, 2^{4311204112231} is an apocalyptic number.

4311204112231 is a deficient number, since it is larger than the sum of its proper divisors (35951769).

4311204112231 is a wasteful number, since it uses less digits than its factorization.

4311204112231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35951768.

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 4311204112231 its reverse (1322114021134), we get a palindrome (5633318133365).

The spelling of 4311204112231 in words is "four trillion, three hundred eleven billion, two hundred four million, one hundred twelve thousand, two hundred thirty-one".