131020366 has 16 divisors (see below), whose sum is σ = 198666864. Its totient is φ = 64802304.

The previous prime is 131020301. The next prime is 131020369. The reversal of 131020366 is 663020131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131020369) 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 7 ways as a sum of consecutive naturals, for example, 75181 + ... + 76903.

It is an arithmetic number, because the mean of its divisors is an integer number (12416679).

Almost surely, 2^131020366 is an apocalyptic number.

131020366 is a deficient number, since it is larger than the sum of its proper divisors (67646498).

131020366 is a wasteful number, since it uses less digits than its factorization.

131020366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2115.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 131020366 is about 11446.4128005240. The cubic root of 131020366 is about 507.9016255042.

Adding to 131020366 its reverse (663020131), we get a palindrome (794040497).

The spelling of 131020366 in words is "one hundred thirty-one million, twenty thousand, three hundred sixty-six".