131109286 has 16 divisors (see below), whose sum is σ = 245191680. Its totient is φ = 51081480.

The previous prime is 131109283. The next prime is 131109289. The reversal of 131109286 is 682901131.

It is an interprime number because it is at equal distance from previous prime (131109283) and next prime (131109289).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131109283) by changing a digit.

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, 425526 + ... + 425833.

It is an arithmetic number, because the mean of its divisors is an integer number (15324480).

Almost surely, 2^131109286 is an apocalyptic number.

131109286 is a deficient number, since it is larger than the sum of its proper divisors (114082394).

131109286 is a wasteful number, since it uses less digits than its factorization.

131109286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 851379.

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 131109286 is about 11450.2963280432. The cubic root of 131109286 is about 508.0164992471.

The spelling of 131109286 in words is "one hundred thirty-one million, one hundred nine thousand, two hundred eighty-six".