3131131011 has 16 divisors (see below), whose sum is σ = 4398051840. Its totient is φ = 1975989600.

The previous prime is 3131131007. The next prime is 3131131039. The reversal of 3131131011 is 1101311313.

It is not a de Polignac number, because 3131131011 - 2² = 3131131007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3131131001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53046 + ... + 95268.

It is an arithmetic number, because the mean of its divisors is an integer number (274878240).

Almost surely, 2^3131131011 is an apocalyptic number.

3131131011 is a deficient number, since it is larger than the sum of its proper divisors (1266920829).

3131131011 is a wasteful number, since it uses less digits than its factorization.

3131131011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43546.

The product of its (nonzero) digits is 27, while the sum is 15.

The square root of 3131131011 is about 55956.5099966036. The cubic root of 3131131011 is about 1462.9643610401.

Adding to 3131131011 its reverse (1101311313), we get a palindrome (4232442324).

The spelling of 3131131011 in words is "three billion, one hundred thirty-one million, one hundred thirty-one thousand, eleven".