3197431 has 4 divisors (see below), whose sum is σ = 3214192. Its totient is φ = 3180672.

The previous prime is 3197419. The next prime is 3197449. The reversal of 3197431 is 1347913.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3197431 - 2⁵ = 3197399 is a prime.

It is a super-2 number, since 2×3197431² = 20447129999522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3197431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3197401) 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 3 ways as a sum of consecutive naturals, for example, 8091 + ... + 8476.

It is an arithmetic number, because the mean of its divisors is an integer number (803548).

Almost surely, 2^3197431 is an apocalyptic number.

3197431 is a deficient number, since it is larger than the sum of its proper divisors (16761).

3197431 is a wasteful number, since it uses less digits than its factorization.

3197431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16760.

The product of its digits is 2268, while the sum is 28.

The square root of 3197431 is about 1788.1361804963. The cubic root of 3197431 is about 147.3218149009.

It can be divided in two parts, 319 and 7431, that added together give a triangular number (7750 = T₁₂₄).

The spelling of 3197431 in words is "three million, one hundred ninety-seven thousand, four hundred thirty-one".