3112321011 has 16 divisors (see below), whose sum is σ = 4417257600. Its totient is φ = 1943587008.

The previous prime is 3112321007. The next prime is 3112321031. The reversal of 3112321011 is 1101232113.

It is a happy number.

It is not a de Polignac number, because 3112321011 - 2² = 3112321007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3112321031) 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 15 ways as a sum of consecutive naturals, for example, 301681 + ... + 311826.

It is an arithmetic number, because the mean of its divisors is an integer number (276078600).

Almost surely, 2^3112321011 is an apocalyptic number.

3112321011 is a deficient number, since it is larger than the sum of its proper divisors (1304936589).

3112321011 is a wasteful number, since it uses less digits than its factorization.

3112321011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 613618.

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 3112321011 is about 55788.1798502156. The cubic root of 3112321011 is about 1460.0289309023.

Adding to 3112321011 its reverse (1101232113), we get a palindrome (4213553124).

The spelling of 3112321011 in words is "three billion, one hundred twelve million, three hundred twenty-one thousand, eleven".