131336322 has 96 divisors (see below), whose sum is σ = 317805120. Its totient is φ = 35942400.

The previous prime is 131336287. The next prime is 131336323. The reversal of 131336322 is 223633131.

It is a happy number.

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 = 131336292 and 131336301.

It is not an unprimeable number, because it can be changed into a prime (131336323) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 327322 + ... + 327722.

It is an arithmetic number, because the mean of its divisors is an integer number (3310470).

Almost surely, 2^131336322 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131336322, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158902560).

131336322 is an abundant number, since it is smaller than the sum of its proper divisors (186468798).

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

131336322 is a wasteful number, since it uses less digits than its factorization.

131336322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468 (or 455 counting only the distinct ones).

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

The square root of 131336322 is about 11460.2060190906. The cubic root of 131336322 is about 508.3095665200.

Adding to 131336322 its reverse (223633131), we get a palindrome (354969453).

The spelling of 131336322 in words is "one hundred thirty-one million, three hundred thirty-six thousand, three hundred twenty-two".