311201122322 has 8 divisors (see below), whose sum is σ = 491370193200. Its totient is φ = 147411057924.

The previous prime is 311201122313. The next prime is 311201122361. The reversal of 311201122322 is 223221102113.

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

It is a super-2 number, since 2×311201122322² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 311201122294 and 311201122303.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4094751572 + ... + 4094751647.

It is an arithmetic number, because the mean of its divisors is an integer number (61421274150).

Almost surely, 2^311201122322 is an apocalyptic number.

311201122322 is a deficient number, since it is larger than the sum of its proper divisors (180169070878).

311201122322 is a wasteful number, since it uses less digits than its factorization.

311201122322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8189503240.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 311201122322 its reverse (223221102113), we get a palindrome (534422224435).

The spelling of 311201122322 in words is "three hundred eleven billion, two hundred one million, one hundred twenty-two thousand, three hundred twenty-two".