311231013210213 has 8 divisors (see below), whose sum is σ = 415335218328576. Its totient is φ = 207307075116000.

The previous prime is 311231013210193. The next prime is 311231013210347. The reversal of 311231013210213 is 312012310132113.

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

It is not a de Polignac number, because 311231013210213 - 2⁶ = 311231013210149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311231013210913) 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, 45066752008 + ... + 45066758913.

It is an arithmetic number, because the mean of its divisors is an integer number (51916902291072).

Almost surely, 2^{311231013210213} is an apocalyptic number.

It is an amenable number.

311231013210213 is a deficient number, since it is larger than the sum of its proper divisors (104104205118363).

311231013210213 is a wasteful number, since it uses less digits than its factorization.

311231013210213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90133512075.

The product of its (nonzero) digits is 648, while the sum is 24.

Adding to 311231013210213 its reverse (312012310132113), we get a palindrome (623243323342326).

The spelling of 311231013210213 in words is "three hundred eleven trillion, two hundred thirty-one billion, thirteen million, two hundred ten thousand, two hundred thirteen".