3471431 has 2 divisors, whose sum is σ = 3471432. Its totient is φ = 3471430.

The previous prime is 3471421. The next prime is 3471439. The reversal of 3471431 is 1341743.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3471431 is a prime.

It is a super-2 number, since 2×3471431² = 24101666375522, which contains 22 as substring.

It is a plaindrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 3471397 and 3471406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3471439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1735715 + 1735716.

It is an arithmetic number, because the mean of its divisors is an integer number (1735716).

Almost surely, 2^3471431 is an apocalyptic number.

3471431 is a deficient number, since it is larger than the sum of its proper divisors (1).

3471431 is an equidigital number, since it uses as much as digits as its factorization.

3471431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1008, while the sum is 23.

The square root of 3471431 is about 1863.1776619528. The cubic root of 3471431 is about 151.4152132260.

The spelling of 3471431 in words is "three million, four hundred seventy-one thousand, four hundred thirty-one".