3127402013 has 2 divisors, whose sum is σ = 3127402014. Its totient is φ = 3127402012.

The previous prime is 3127402009. The next prime is 3127402087. The reversal of 3127402013 is 3102047213.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3111185284 + 16216729 = 55778^2 + 4027^2 .

It is a cyclic number.

It is not a de Polignac number, because 3127402013 - 2² = 3127402009 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3127402013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3127402613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1563701006 + 1563701007.

It is an arithmetic number, because the mean of its divisors is an integer number (1563701007).

Almost surely, 2^3127402013 is an apocalyptic number.

It is an amenable number.

3127402013 is a deficient number, since it is larger than the sum of its proper divisors (1).

3127402013 is an equidigital number, since it uses as much as digits as its factorization.

3127402013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 3127402013 is about 55923.1795680467. The cubic root of 3127402013 is about 1462.3833613654.

Adding to 3127402013 its reverse (3102047213), we get a palindrome (6229449226).

The spelling of 3127402013 in words is "three billion, one hundred twenty-seven million, four hundred two thousand, thirteen".