3190975681 has 2 divisors, whose sum is σ = 3190975682. Its totient is φ = 3190975680.

The previous prime is 3190975673. The next prime is 3190975703. The reversal of 3190975681 is 1865790913.

3190975681 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3111854656 + 79121025 = 55784^2 + 8895^2 .

It is a cyclic number.

It is not a de Polignac number, because 3190975681 - 2³ = 3190975673 is a prime.

It is a super-2 number, since 2×3190975681² = 20364651593466827522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3190975631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1595487840 + 1595487841.

It is an arithmetic number, because the mean of its divisors is an integer number (1595487841).

Almost surely, 2^3190975681 is an apocalyptic number.

It is an amenable number.

3190975681 is a deficient number, since it is larger than the sum of its proper divisors (1).

3190975681 is an equidigital number, since it uses as much as digits as its factorization.

3190975681 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 408240, while the sum is 49.

The square root of 3190975681 is about 56488.7217150468. The cubic root of 3190975681 is about 1472.2260504256.

The spelling of 3190975681 in words is "three billion, one hundred ninety million, nine hundred seventy-five thousand, six hundred eighty-one".