311440332211322 has 8 divisors (see below), whose sum is σ = 467188544263476. Its totient is φ = 155710817456832.

The previous prime is 311440332211313. The next prime is 311440332211343. The reversal of 311440332211322 is 223112233044113.

It can be written as a sum of positive squares in 2 ways, for example, as 277016777480041 + 34423554731281 = 16643821^2 + 5867159^2 .

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

It is a super-2 number, since 2×311440332211322² (a number of 30 digits) contains 22 as substring.

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, 4674282773 + ... + 4674349400.

Almost surely, 2^{311440332211322} is an apocalyptic number.

311440332211322 is a deficient number, since it is larger than the sum of its proper divisors (155748212052154).

311440332211322 is a wasteful number, since it uses less digits than its factorization.

311440332211322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9348648832.

The product of its (nonzero) digits is 20736, while the sum is 32.

Adding to 311440332211322 its reverse (223112233044113), we get a palindrome (534552565255435).

The spelling of 311440332211322 in words is "three hundred eleven trillion, four hundred forty billion, three hundred thirty-two million, two hundred eleven thousand, three hundred twenty-two".