311022200231122 has 8 divisors (see below), whose sum is σ = 466533428904396. Its totient is φ = 155511057262992.

The previous prime is 311022200231059. The next prime is 311022200231123. The reversal of 311022200231122 is 221132002220113.

It can be written as a sum of positive squares in 2 ways, for example, as 202667653627321 + 108354546603801 = 14236139^2 + 10409349^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 311022200231093 and 311022200231102.

It is not an unprimeable number, because it can be changed into a prime (311022200231123) 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, 11419053 + ... + 27430624.

Almost surely, 2^{311022200231122} is an apocalyptic number.

311022200231122 is a deficient number, since it is larger than the sum of its proper divisors (155511228673274).

311022200231122 is a wasteful number, since it uses less digits than its factorization.

311022200231122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42852572.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 311022200231122 its reverse (221132002220113), we get a palindrome (532154202451235).

The spelling of 311022200231122 in words is "three hundred eleven trillion, twenty-two billion, two hundred million, two hundred thirty-one thousand, one hundred twenty-two".