131322102 has 32 divisors (see below), whose sum is σ = 273030912. Its totient is φ = 42071904.

The previous prime is 131322101. The next prime is 131322131. The reversal of 131322102 is 201223131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131322101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14863 + ... + 21989.

It is an arithmetic number, because the mean of its divisors is an integer number (8532216).

Almost surely, 2^131322102 is an apocalyptic number.

131322102 is an abundant number, since it is smaller than the sum of its proper divisors (141708810).

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

131322102 is a wasteful number, since it uses less digits than its factorization.

131322102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7252.

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

The square root of 131322102 is about 11459.5855946016. The cubic root of 131322102 is about 508.2912206864.

Adding to 131322102 its reverse (201223131), we get a palindrome (332545233).

The spelling of 131322102 in words is "one hundred thirty-one million, three hundred twenty-two thousand, one hundred two".