311120133322 has 4 divisors (see below), whose sum is σ = 466680199986. Its totient is φ = 155560066660.

The previous prime is 311120133301. The next prime is 311120133329. The reversal of 311120133322 is 223331021113.

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

It can be written as a sum of positive squares in only one way, i.e., 266649337161 + 44470796161 = 516381^2 + 210881^2 .

It is a junction number, because it is equal to n+sod(n) for n = 311120133293 and 311120133302.

It is not an unprimeable number, because it can be changed into a prime (311120133329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77780033329 + ... + 77780033332.

Almost surely, 2^311120133322 is an apocalyptic number.

311120133322 is a deficient number, since it is larger than the sum of its proper divisors (155560066664).

311120133322 is a wasteful number, since it uses less digits than its factorization.

311120133322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155560066663.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 311120133322 its reverse (223331021113), we get a palindrome (534451154435).

The spelling of 311120133322 in words is "three hundred eleven billion, one hundred twenty million, one hundred thirty-three thousand, three hundred twenty-two".