311301100211231 has 8 divisors (see below), whose sum is σ = 346807591747680. Its totient is φ = 277446073397472.

The previous prime is 311301100211221. The next prime is 311301100211317. The reversal of 311301100211231 is 132112001103113.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-311301100211231 is a prime.

It is a super-2 number, since 2×311301100211231² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311301100211221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 412866180275 + ... + 412866181028.

It is an arithmetic number, because the mean of its divisors is an integer number (43350948968460).

Almost surely, 2^{311301100211231} is an apocalyptic number.

311301100211231 is a deficient number, since it is larger than the sum of its proper divisors (35506491536449).

311301100211231 is a wasteful number, since it uses less digits than its factorization.

311301100211231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 825732361345.

The product of its (nonzero) digits is 108, while the sum is 20.

Adding to 311301100211231 its reverse (132112001103113), we get a palindrome (443413101314344).

The spelling of 311301100211231 in words is "three hundred eleven trillion, three hundred one billion, one hundred million, two hundred eleven thousand, two hundred thirty-one".