131988107 has 2 divisors, whose sum is σ = 131988108. Its totient is φ = 131988106.

The previous prime is 131988097. The next prime is 131988137. The reversal of 131988107 is 701889131.

It is a weak prime.

It is an emirp because it is prime and its reverse (701889131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 131988107 - 2¹² = 131984011 is a prime.

It is equal to p_7484573 and since 131988107 and 7484573 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (131988137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65994053 + 65994054.

It is an arithmetic number, because the mean of its divisors is an integer number (65994054).

Almost surely, 2^131988107 is an apocalyptic number.

131988107 is a deficient number, since it is larger than the sum of its proper divisors (1).

131988107 is an equidigital number, since it uses as much as digits as its factorization.

131988107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 38.

The square root of 131988107 is about 11488.6077050267. The cubic root of 131988107 is about 509.1490448616.

The spelling of 131988107 in words is "one hundred thirty-one million, nine hundred eighty-eight thousand, one hundred seven".