131642322 has 48 divisors (see below), whose sum is σ = 324298080. Its totient is φ = 35398272.

The previous prime is 131642309. The next prime is 131642327. The reversal of 131642322 is 223246131.

It is a junction number, because it is equal to n+sod(n) for n = 131642292 and 131642301.

It is not an unprimeable number, because it can be changed into a prime (131642327) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8172 + ... + 18167.

It is an arithmetic number, because the mean of its divisors is an integer number (6756210).

Almost surely, 2^131642322 is an apocalyptic number.

131642322 is an abundant number, since it is smaller than the sum of its proper divisors (192655758).

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

131642322 is a wasteful number, since it uses less digits than its factorization.

131642322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26375 (or 26368 counting only the distinct ones).

The product of its digits is 1728, while the sum is 24.

The square root of 131642322 is about 11473.5487971246. The cubic root of 131642322 is about 508.7040298379.

Adding to 131642322 its reverse (223246131), we get a palindrome (354888453).

The spelling of 131642322 in words is "one hundred thirty-one million, six hundred forty-two thousand, three hundred twenty-two".