3131100022003 has 4 divisors (see below), whose sum is σ = 3215724346960. Its totient is φ = 3046475697048.

The previous prime is 3131100021997. The next prime is 3131100022013. The reversal of 3131100022003 is 3002200011313.

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 3131100022003 - 2⁵ = 3131100021971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3131100022013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42312162423 + ... + 42312162496.

It is an arithmetic number, because the mean of its divisors is an integer number (803931086740).

Almost surely, 2^{3131100022003} is an apocalyptic number.

3131100022003 is a deficient number, since it is larger than the sum of its proper divisors (84624324957).

3131100022003 is an equidigital number, since it uses as much as digits as its factorization.

3131100022003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84624324956.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 3131100022003 its reverse (3002200011313), we get a palindrome (6133300033316).

The spelling of 3131100022003 in words is "three trillion, one hundred thirty-one billion, one hundred million, twenty-two thousand, three".