3131003113 has 4 divisors (see below), whose sum is σ = 3578289280. Its totient is φ = 2683716948.

The previous prime is 3131003111. The next prime is 3131003123. The reversal of 3131003113 is 3113001313.

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 3131003113 - 2¹ = 3131003111 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3131003111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 223643073 + ... + 223643086.

It is an arithmetic number, because the mean of its divisors is an integer number (894572320).

Almost surely, 2^3131003113 is an apocalyptic number.

It is an amenable number.

3131003113 is a deficient number, since it is larger than the sum of its proper divisors (447286167).

3131003113 is an equidigital number, since it uses as much as digits as its factorization.

3131003113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447286166.

The product of its (nonzero) digits is 81, while the sum is 16.

The square root of 3131003113 is about 55955.3671509713. The cubic root of 3131003113 is about 1462.9444414261.

Adding to 3131003113 its reverse (3113001313), we get a palindrome (6244004426).

The spelling of 3131003113 in words is "three billion, one hundred thirty-one million, three thousand, one hundred thirteen".