3130745819 has 2 divisors, whose sum is σ = 3130745820. Its totient is φ = 3130745818.

The previous prime is 3130745771. The next prime is 3130745869. The reversal of 3130745819 is 9185470313.

It is a weak prime.

It is an emirp because it is prime and its reverse (9185470313) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3130745819 - 2¹⁶ = 3130680283 is a prime.

It is a super-2 number, since 2×3130745819² = 19603138766371961522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3130745869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1565372909 + 1565372910.

It is an arithmetic number, because the mean of its divisors is an integer number (1565372910).

Almost surely, 2^3130745819 is an apocalyptic number.

3130745819 is a deficient number, since it is larger than the sum of its proper divisors (1).

3130745819 is an equidigital number, since it uses as much as digits as its factorization.

3130745819 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90720, while the sum is 41.

The square root of 3130745819 is about 55953.0680034616. The cubic root of 3130745819 is about 1462.9043672471.

The spelling of 3130745819 in words is "three billion, one hundred thirty million, seven hundred forty-five thousand, eight hundred nineteen".