3431381 has 8 divisors (see below), whose sum is σ = 3674400. Its totient is φ = 3194640.

The previous prime is 3431377. The next prime is 3431401. The reversal of 3431381 is 1831343.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3431381 - 2² = 3431377 is a prime.

It is a super-2 number, since 2×3431381² = 23548751134322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3431881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 410 + ... + 2651.

It is an arithmetic number, because the mean of its divisors is an integer number (459300).

Almost surely, 2^3431381 is an apocalyptic number.

It is an amenable number.

3431381 is a deficient number, since it is larger than the sum of its proper divisors (243019).

3431381 is a wasteful number, since it uses less digits than its factorization.

3431381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3139.

The product of its digits is 864, while the sum is 23.

The square root of 3431381 is about 1852.3987151799. The cubic root of 3431381 is about 150.8306655477.

The spelling of 3431381 in words is "three million, four hundred thirty-one thousand, three hundred eighty-one".