131301706 has 8 divisors (see below), whose sum is σ = 198695844. Its totient is φ = 65069760.

The previous prime is 131301697. The next prime is 131301719. The reversal of 131301706 is 607103131.

It can be written as a sum of positive squares in 2 ways, for example, as 131217025 + 84681 = 11455^2 + 291^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 290265 + ... + 290716.

Almost surely, 2^131301706 is an apocalyptic number.

131301706 is a deficient number, since it is larger than the sum of its proper divisors (67394138).

131301706 is a wasteful number, since it uses less digits than its factorization.

131301706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 581096.

The product of its (nonzero) digits is 378, while the sum is 22.

The square root of 131301706 is about 11458.6956500293. The cubic root of 131301706 is about 508.2649046174.

Adding to 131301706 its reverse (607103131), we get a palindrome (738404837).

The spelling of 131301706 in words is "one hundred thirty-one million, three hundred one thousand, seven hundred six".