3131422011 has 20 divisors (see below), whose sum is σ = 4701334000. Its totient is φ = 2077113456.

The previous prime is 3131421989. The next prime is 3131422031. The reversal of 3131422011 is 1102241313.

It is not a de Polignac number, because 3131422011 - 2⁹ = 3131421499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3131422031) 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 19 ways as a sum of consecutive naturals, for example, 81016 + ... + 113253.

It is an arithmetic number, because the mean of its divisors is an integer number (235066700).

Almost surely, 2^3131422011 is an apocalyptic number.

3131422011 is a deficient number, since it is larger than the sum of its proper divisors (1569911989).

3131422011 is a wasteful number, since it uses less digits than its factorization.

3131422011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194480 (or 194471 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 3131422011 is about 55959.1101698374. The cubic root of 3131422011 is about 1463.0096811327.

Adding to 3131422011 its reverse (1102241313), we get a palindrome (4233663324).

The spelling of 3131422011 in words is "three billion, one hundred thirty-one million, four hundred twenty-two thousand, eleven".