31304440334011 has 4 divisors (see below), whose sum is σ = 33712474205872. Its totient is φ = 28896406462152.

The previous prime is 31304440333981. The next prime is 31304440334039. The reversal of 31304440334011 is 11043304440313.

It is a happy number.

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 31304440334011 - 2¹⁹ = 31304439809723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31304440334411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1204016935911 + ... + 1204016935936.

It is an arithmetic number, because the mean of its divisors is an integer number (8428118551468).

Almost surely, 2^{31304440334011} is an apocalyptic number.

31304440334011 is a deficient number, since it is larger than the sum of its proper divisors (2408033871861).

31304440334011 is a wasteful number, since it uses less digits than its factorization.

31304440334011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2408033871860.

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 31304440334011 its reverse (11043304440313), we get a palindrome (42347744774324).

The spelling of 31304440334011 in words is "thirty-one trillion, three hundred four billion, four hundred forty million, three hundred thirty-four thousand, eleven".