2131002007 has 2 divisors, whose sum is σ = 2131002008. Its totient is φ = 2131002006.

The previous prime is 2131001989. The next prime is 2131002059. The reversal of 2131002007 is 7002001312.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2131002007 - 2⁷ = 2131001879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2131002077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1065501003 + 1065501004.

It is an arithmetic number, because the mean of its divisors is an integer number (1065501004).

Almost surely, 2^2131002007 is an apocalyptic number.

2131002007 is a deficient number, since it is larger than the sum of its proper divisors (1).

2131002007 is an equidigital number, since it uses as much as digits as its factorization.

2131002007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84, while the sum is 16.

The square root of 2131002007 is about 46162.7772886338. Note that the first 3 decimals coincide. The cubic root of 2131002007 is about 1286.8500771306.

Adding to 2131002007 its reverse (7002001312), we get a palindrome (9133003319).

The spelling of 2131002007 in words is "two billion, one hundred thirty-one million, two thousand, seven".