3131343013 has 4 divisors (see below), whose sum is σ = 3296150560. Its totient is φ = 2966535468.

The previous prime is 3131343011. The next prime is 3131343029. The reversal of 3131343013 is 3103431313.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3131343013 - 2¹ = 3131343011 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3131343011) 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 3 ways as a sum of consecutive naturals, for example, 82403745 + ... + 82403782.

It is an arithmetic number, because the mean of its divisors is an integer number (824037640).

Almost surely, 2^3131343013 is an apocalyptic number.

It is an amenable number.

3131343013 is a deficient number, since it is larger than the sum of its proper divisors (164807547).

3131343013 is a wasteful number, since it uses less digits than its factorization.

3131343013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164807546.

The product of its (nonzero) digits is 972, while the sum is 22.

The square root of 3131343013 is about 55958.4043107021. The cubic root of 3131343013 is about 1462.9973783290.

Adding to 3131343013 its reverse (3103431313), we get a palindrome (6234774326).

It can be divided in two parts, 31 and 31343013, that multiplied together give a triangular number (971633403 = T₄₄₀₈₂).

The spelling of 3131343013 in words is "three billion, one hundred thirty-one million, three hundred forty-three thousand, thirteen".