313321312011 has 16 divisors (see below), whose sum is σ = 446958218240. Its totient is φ = 194643090720.

The previous prime is 313321311967. The next prime is 313321312033. The reversal of 313321312011 is 110213123313.

It is a happy number.

It is not a de Polignac number, because 313321312011 - 2¹¹ = 313321309963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (313321312211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45052795 + ... + 45059748.

It is an arithmetic number, because the mean of its divisors is an integer number (27934888640).

Almost surely, 2^313321312011 is an apocalyptic number.

313321312011 is a deficient number, since it is larger than the sum of its proper divisors (133636906229).

313321312011 is a wasteful number, since it uses less digits than its factorization.

313321312011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90112626.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 313321312011 its reverse (110213123313), we get a palindrome (423534435324).

The spelling of 313321312011 in words is "three hundred thirteen billion, three hundred twenty-one million, three hundred twelve thousand, eleven".