311121144226 has 8 divisors (see below), whose sum is σ = 494133582060. Its totient is φ = 146409950208.

The previous prime is 311121144167. The next prime is 311121144227. The reversal of 311121144226 is 622441121113.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 298307130625 + 12814013601 = 546175^2 + 113199^2 .

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 = 311121144194 and 311121144203.

It is not an unprimeable number, because it can be changed into a prime (311121144227) 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, 4575310911 + ... + 4575310978.

Almost surely, 2^311121144226 is an apocalyptic number.

311121144226 is a deficient number, since it is larger than the sum of its proper divisors (183012437834).

311121144226 is a wasteful number, since it uses less digits than its factorization.

311121144226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9150621908.

The product of its digits is 2304, while the sum is 28.

Adding to 311121144226 its reverse (622441121113), we get a palindrome (933562265339).

The spelling of 311121144226 in words is "three hundred eleven billion, one hundred twenty-one million, one hundred forty-four thousand, two hundred twenty-six".