131288038 has 16 divisors (see below), whose sum is σ = 232326144. Its totient is φ = 54451080.

The previous prime is 131288029. The next prime is 131288051. The reversal of 131288038 is 830882131.

It is a junction number, because it is equal to n+sod(n) for n = 131287994 and 131288012.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 150820 + ... + 151687.

It is an arithmetic number, because the mean of its divisors is an integer number (14520384).

Almost surely, 2^131288038 is an apocalyptic number.

131288038 is a deficient number, since it is larger than the sum of its proper divisors (101038106).

131288038 is a wasteful number, since it uses less digits than its factorization.

131288038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302547.

The product of its (nonzero) digits is 9216, while the sum is 34.

The square root of 131288038 is about 11458.0992315480. The cubic root of 131288038 is about 508.2472678682.

The spelling of 131288038 in words is "one hundred thirty-one million, two hundred eighty-eight thousand, thirty-eight".