131323322 has 8 divisors (see below), whose sum is σ = 212137716. Its totient is φ = 60610752.

The previous prime is 131323303. The next prime is 131323349. The reversal of 131323322 is 223323131.

It can be written as a sum of positive squares in 2 ways, for example, as 131308681 + 14641 = 11459^2 + 121^2 .

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

It is a super-3 number, since 3×131323322³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 131323294 and 131323303.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2525423 + ... + 2525474.

Almost surely, 2^131323322 is an apocalyptic number.

131323322 is a deficient number, since it is larger than the sum of its proper divisors (80814394).

131323322 is a wasteful number, since it uses less digits than its factorization.

131323322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5050912.

The product of its digits is 648, while the sum is 20.

The square root of 131323322 is about 11459.6388250241. The cubic root of 131323322 is about 508.2927947128.

Adding to 131323322 its reverse (223323131), we get a palindrome (354646453).

The spelling of 131323322 in words is "one hundred thirty-one million, three hundred twenty-three thousand, three hundred twenty-two".