3131003123113 has 4 divisors (see below), whose sum is σ = 3131217281988. Its totient is φ = 3130788964240.

The previous prime is 3131003123089. The next prime is 3131003123167. The reversal of 3131003123113 is 3113213001313.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1439047357609 + 1691955765504 = 1199603^2 + 1300752^2 .

It is a cyclic number.

It is not a de Polignac number, because 3131003123113 - 2⁵ = 3131003123081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3131004123113) 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, 107057506 + ... + 107086747.

It is an arithmetic number, because the mean of its divisors is an integer number (782804320497).

Almost surely, 2^{3131003123113} is an apocalyptic number.

It is an amenable number.

3131003123113 is a deficient number, since it is larger than the sum of its proper divisors (214158875).

3131003123113 is a wasteful number, since it uses less digits than its factorization.

3131003123113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214158874.

The product of its (nonzero) digits is 486, while the sum is 22.

Adding to 3131003123113 its reverse (3113213001313), we get a palindrome (6244216124426).

The spelling of 3131003123113 in words is "three trillion, one hundred thirty-one billion, three million, one hundred twenty-three thousand, one hundred thirteen".