2113003131 has 4 divisors (see below), whose sum is σ = 2817337512. Its totient is φ = 1408668752.

The previous prime is 2113003073. The next prime is 2113003147. The reversal of 2113003131 is 1313003112.

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

It is a cyclic number.

It is not a de Polignac number, because 2113003131 - 2⁷ = 2113003003 is a prime.

It is a super-2 number, since 2×2113003131² = 8929564463231606322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2113003131.

It is not an unprimeable number, because it can be changed into a prime (2113003331) 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, 352167186 + ... + 352167191.

It is an arithmetic number, because the mean of its divisors is an integer number (704334378).

Almost surely, 2^2113003131 is an apocalyptic number.

2113003131 is a deficient number, since it is larger than the sum of its proper divisors (704334381).

2113003131 is an equidigital number, since it uses as much as digits as its factorization.

2113003131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 704334380.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 2113003131 is about 45967.4137949918. The cubic root of 2113003131 is about 1283.2168297155.

Adding to 2113003131 its reverse (1313003112), we get a palindrome (3426006243).

The spelling of 2113003131 in words is "two billion, one hundred thirteen million, three thousand, one hundred thirty-one".