3203404381 has 2 divisors, whose sum is σ = 3203404382. Its totient is φ = 3203404380.

The previous prime is 3203404349. The next prime is 3203404397. The reversal of 3203404381 is 1834043023.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2024100100 + 1179304281 = 44990^2 + 34341^2 .

It is a cyclic number.

It is not a de Polignac number, because 3203404381 - 2⁵ = 3203404349 is a prime.

It is a super-2 number, since 2×3203404381² = 20523599256419986322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3203404181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1601702190 + 1601702191.

It is an arithmetic number, because the mean of its divisors is an integer number (1601702191).

Almost surely, 2^3203404381 is an apocalyptic number.

It is an amenable number.

3203404381 is a deficient number, since it is larger than the sum of its proper divisors (1).

3203404381 is an equidigital number, since it uses as much as digits as its factorization.

3203404381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 3203404381 is about 56598.6252571562. The cubic root of 3203404381 is about 1474.1349911993.

The spelling of 3203404381 in words is "three billion, two hundred three million, four hundred four thousand, three hundred eighty-one".