131323326 has 32 divisors (see below), whose sum is σ = 277065600. Its totient is φ = 41381280.

The previous prime is 131323303. The next prime is 131323349. The reversal of 131323326 is 623323131.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (131323303) and next prime (131323349).

It is a super-3 number, since 3×131323326³ (a number of 25 digits) contains 333 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 131323296 and 131323305.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69636 + ... + 71496.

It is an arithmetic number, because the mean of its divisors is an integer number (8658300).

Almost surely, 2^131323326 is an apocalyptic number.

131323326 is an abundant number, since it is smaller than the sum of its proper divisors (145742274).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131323326 is a wasteful number, since it uses less digits than its factorization.

131323326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2504.

The product of its digits is 1944, while the sum is 24.

The square root of 131323326 is about 11459.6389995497. The cubic root of 131323326 is about 508.2927998735.

Adding to 131323326 its reverse (623323131), we get a palindrome (754646457).

The spelling of 131323326 in words is "one hundred thirty-one million, three hundred twenty-three thousand, three hundred twenty-six".