3193381 has 2 divisors, whose sum is σ = 3193382. Its totient is φ = 3193380.

The previous prime is 3193363. The next prime is 3193397. The reversal of 3193381 is 1833913.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2873025 + 320356 = 1695^2 + 566^2 .

It is a cyclic number.

It is not a de Polignac number, because 3193381 - 2¹¹ = 3191333 is a prime.

It is a super-2 number, since 2×3193381² = 20395364422322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3193361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1596690 + 1596691.

It is an arithmetic number, because the mean of its divisors is an integer number (1596691).

Almost surely, 2^3193381 is an apocalyptic number.

It is an amenable number.

3193381 is a deficient number, since it is larger than the sum of its proper divisors (1).

3193381 is an equidigital number, since it uses as much as digits as its factorization.

3193381 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1944, while the sum is 28.

The square root of 3193381 is about 1787.0033575794. The cubic root of 3193381 is about 147.2595872935.

The spelling of 3193381 in words is "three million, one hundred ninety-three thousand, three hundred eighty-one".