3103128997 has 2 divisors, whose sum is σ = 3103128998. Its totient is φ = 3103128996.

The previous prime is 3103128967. The next prime is 3103129067. The reversal of 3103128997 is 7998213013.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2407963041 + 695165956 = 49071^2 + 26366^2 .

It is a cyclic number.

It is not a de Polignac number, because 3103128997 - 2¹⁵ = 3103096229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3103128947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1551564498 + 1551564499.

It is an arithmetic number, because the mean of its divisors is an integer number (1551564499).

Almost surely, 2^3103128997 is an apocalyptic number.

It is an amenable number.

3103128997 is a deficient number, since it is larger than the sum of its proper divisors (1).

3103128997 is an equidigital number, since it uses as much as digits as its factorization.

3103128997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81648, while the sum is 43.

The square root of 3103128997 is about 55705.7357639229. The cubic root of 3103128997 is about 1458.5901504006.

The spelling of 3103128997 in words is "three billion, one hundred three million, one hundred twenty-eight thousand, nine hundred ninety-seven".