3190381 has 2 divisors, whose sum is σ = 3190382. Its totient is φ = 3190380.

The previous prime is 3190349. The next prime is 3190393. The reversal of 3190381 is 1830913.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2353156 + 837225 = 1534^2 + 915^2 .

It is a cyclic number.

It is not a de Polignac number, because 3190381 - 2⁵ = 3190349 is a prime.

It is a super-2 number, since 2×3190381² = 20357061850322, which contains 22 as substring.

It is equal to p₂₂₉₅₆₁ and since 3190381 and 229561 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3190301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1595190 + 1595191.

It is an arithmetic number, because the mean of its divisors is an integer number (1595191).

Almost surely, 2^3190381 is an apocalyptic number.

It is an amenable number.

3190381 is a deficient number, since it is larger than the sum of its proper divisors (1).

3190381 is an equidigital number, since it uses as much as digits as its factorization.

3190381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 3190381 is about 1786.1637662880. The cubic root of 3190381 is about 147.2134588405.

The spelling of 3190381 in words is "three million, one hundred ninety thousand, three hundred eighty-one".