31324310011 has 4 divisors (see below), whose sum is σ = 31325703552. Its totient is φ = 31322916472.

The previous prime is 31324309997. The next prime is 31324310023. The reversal of 31324310011 is 11001342313.

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

It is a cyclic number.

It is not a de Polignac number, because 31324310011 - 2¹⁷ = 31324178939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31324310051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 662491 + ... + 708196.

It is an arithmetic number, because the mean of its divisors is an integer number (7831425888).

Almost surely, 2^31324310011 is an apocalyptic number.

31324310011 is a deficient number, since it is larger than the sum of its proper divisors (1393541).

31324310011 is a wasteful number, since it uses less digits than its factorization.

31324310011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1393540.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 31324310011 its reverse (11001342313), we get a palindrome (42325652324).

The spelling of 31324310011 in words is "thirty-one billion, three hundred twenty-four million, three hundred ten thousand, eleven".