8343131 has 8 divisors (see below), whose sum is σ = 8694000. Its totient is φ = 7999360.

The previous prime is 8343121. The next prime is 8343133. The reversal of 8343131 is 1313438.

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 a de Polignac number, because none of the positive numbers 2^k-8343131 is a prime.

It is a super-2 number, since 2×8343131² = 139215669766322, 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 = 8343097 and 8343106.

It is not an unprimeable number, because it can be changed into a prime (8343133) 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, 695 + ... + 4143.

It is an arithmetic number, because the mean of its divisors is an integer number (1086750).

Almost surely, 2^8343131 is an apocalyptic number.

8343131 is a deficient number, since it is larger than the sum of its proper divisors (350869).

8343131 is a wasteful number, since it uses less digits than its factorization.

8343131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3549.

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

The square root of 8343131 is about 2888.4478530865. The cubic root of 8343131 is about 202.8194905841.

Adding to 8343131 its reverse (1313438), we get a palindrome (9656569).

The spelling of 8343131 in words is "eight million, three hundred forty-three thousand, one hundred thirty-one".