131202106 has 48 divisors (see below), whose sum is σ = 248866560. Its totient is φ = 51528960.

The previous prime is 131202089. The next prime is 131202139. The reversal of 131202106 is 601202131.

It is a self number, because there is not a number n which added to its sum of digits gives 131202106.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 56586 + ... + 58858.

It is an arithmetic number, because the mean of its divisors is an integer number (5184720).

Almost surely, 2^131202106 is an apocalyptic number.

131202106 is a deficient number, since it is larger than the sum of its proper divisors (117664454).

131202106 is a wasteful number, since it uses less digits than its factorization.

131202106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2339 (or 2332 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 131202106 is about 11454.3487811399. The cubic root of 131202106 is about 508.1363559192.

Adding to 131202106 its reverse (601202131), we get a palindrome (732404237).

The spelling of 131202106 in words is "one hundred thirty-one million, two hundred two thousand, one hundred six".