3131323 has 8 divisors (see below), whose sum is σ = 3416000. Its totient is φ = 2852928.

The previous prime is 3131321. The next prime is 3131327. The reversal of 3131323 is 3231313.

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

It is not a de Polignac number, because 3131323 - 2¹ = 3131321 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3131297 and 3131306.

It is not an unprimeable number, because it can be changed into a prime (3131321) 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, 498 + ... + 2551.

It is an arithmetic number, because the mean of its divisors is an integer number (427000).

Almost surely, 2^3131323 is an apocalyptic number.

3131323 is a deficient number, since it is larger than the sum of its proper divisors (284677).

3131323 is a wasteful number, since it uses less digits than its factorization.

3131323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3141.

The product of its digits is 162, while the sum is 16.

The square root of 3131323 is about 1769.5544636998. The cubic root of 3131323 is about 146.2994261559.

Adding to 3131323 its reverse (3231313), we get a palindrome (6362636).

The spelling of 3131323 in words is "three million, one hundred thirty-one thousand, three hundred twenty-three".