131210322 has 16 divisors (see below), whose sum is σ = 263444832. Its totient is φ = 43566080.

The previous prime is 131210309. The next prime is 131210357. The reversal of 131210322 is 223012131.

It is a super-2 number, since 2×131210322² = 34432297198687368, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41004 + ... + 44087.

It is an arithmetic number, because the mean of its divisors is an integer number (16465302).

Almost surely, 2^131210322 is an apocalyptic number.

131210322 is an abundant number, since it is smaller than the sum of its proper divisors (132234510).

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

131210322 is a wasteful number, since it uses less digits than its factorization.

131210322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85353.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 131210322 is about 11454.7074166039. The cubic root of 131210322 is about 508.1469623576.

Adding to 131210322 its reverse (223012131), we get a palindrome (354222453).

The spelling of 131210322 in words is "one hundred thirty-one million, two hundred ten thousand, three hundred twenty-two".