6317431 has 4 divisors (see below), whose sum is σ = 6464392. Its totient is φ = 6170472.

The previous prime is 6317429. The next prime is 6317471. The reversal of 6317431 is 1347136.

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 6317431 - 2¹ = 6317429 is a prime.

It is a super-2 number, since 2×6317431² = 79819868879522, 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 = 6317396 and 6317405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6317401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73416 + ... + 73501.

It is an arithmetic number, because the mean of its divisors is an integer number (1616098).

Almost surely, 2^6317431 is an apocalyptic number.

6317431 is a deficient number, since it is larger than the sum of its proper divisors (146961).

6317431 is a wasteful number, since it uses less digits than its factorization.

6317431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146960.

The product of its digits is 1512, while the sum is 25.

The square root of 6317431 is about 2513.4500193957. The cubic root of 6317431 is about 184.8616545434.

The spelling of 6317431 in words is "six million, three hundred seventeen thousand, four hundred thirty-one".