131307770 has 16 divisors (see below), whose sum is σ = 257840928. Its totient is φ = 47748240.

The previous prime is 131307751. The next prime is 131307811. The reversal of 131307770 is 77703131.

It is a happy 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, 596744 + ... + 596963.

It is an arithmetic number, because the mean of its divisors is an integer number (16115058).

Almost surely, 2^131307770 is an apocalyptic number.

131307770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131307770 is a deficient number, since it is larger than the sum of its proper divisors (126533158).

131307770 is a wasteful number, since it uses less digits than its factorization.

131307770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1193725.

The product of its (nonzero) digits is 3087, while the sum is 29.

The square root of 131307770 is about 11458.9602495165. The cubic root of 131307770 is about 508.2727290167.

The spelling of 131307770 in words is "one hundred thirty-one million, three hundred seven thousand, seven hundred seventy".