2131004003 has 2 divisors, whose sum is σ = 2131004004. Its totient is φ = 2131004002.

The previous prime is 2131003991. The next prime is 2131004021. The reversal of 2131004003 is 3004001312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2131004003 - 2⁶ = 2131003939 is a prime.

It is not a weakly prime, because it can be changed into another prime (2131004023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1065502001 + 1065502002.

It is an arithmetic number, because the mean of its divisors is an integer number (1065502002).

Almost surely, 2^2131004003 is an apocalyptic number.

2131004003 is a deficient number, since it is larger than the sum of its proper divisors (1).

2131004003 is an equidigital number, since it uses as much as digits as its factorization.

2131004003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 2131004003 is about 46162.7989077785. The cubic root of 2131004003 is about 1286.8504789059.

Adding to 2131004003 its reverse (3004001312), we get a palindrome (5135005315).

The spelling of 2131004003 in words is "two billion, one hundred thirty-one million, four thousand, three".