3120871903 has 2 divisors, whose sum is σ = 3120871904. Its totient is φ = 3120871902.

The previous prime is 3120871891. The next prime is 3120871913. The reversal of 3120871903 is 3091780213.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3120871903 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3120871913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1560435951 + 1560435952.

It is an arithmetic number, because the mean of its divisors is an integer number (1560435952).

Almost surely, 2^3120871903 is an apocalyptic number.

3120871903 is a deficient number, since it is larger than the sum of its proper divisors (1).

3120871903 is an equidigital number, since it uses as much as digits as its factorization.

3120871903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 3120871903 is about 55864.7644137161. The cubic root of 3120871903 is about 1461.3648185560.

The spelling of 3120871903 in words is "three billion, one hundred twenty million, eight hundred seventy-one thousand, nine hundred three".