3391031 has 8 divisors (see below), whose sum is σ = 3930624. Its totient is φ = 2865240.

The previous prime is 3391021. The next prime is 3391033. The reversal of 3391031 is 1301933.

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

It is not a de Polignac number, because 3391031 - 2¹⁸ = 3128887 is a prime.

It is a super-2 number, since 2×3391031² = 22998182485922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3390994 and 3391012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3391033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2915 + ... + 3908.

It is an arithmetic number, because the mean of its divisors is an integer number (491328).

Almost surely, 2^3391031 is an apocalyptic number.

3391031 is a deficient number, since it is larger than the sum of its proper divisors (539593).

3391031 is an equidigital number, since it uses as much as digits as its factorization.

3391031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6901.

The product of its (nonzero) digits is 243, while the sum is 20.

The square root of 3391031 is about 1841.4752238355. The cubic root of 3391031 is about 150.2371212555.

Adding to 3391031 its reverse (1301933), we get a palindrome (4692964).

The spelling of 3391031 in words is "three million, three hundred ninety-one thousand, thirty-one".