131263312 has 20 divisors (see below), whose sum is σ = 254542240. Its totient is φ = 65575008.

The previous prime is 131263291. The next prime is 131263313. The reversal of 131263312 is 213362131.

131263312 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131263313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20533 + ... + 26155.

It is an arithmetic number, because the mean of its divisors is an integer number (12727112).

Almost surely, 2^131263312 is an apocalyptic number.

It is an amenable number.

131263312 is a deficient number, since it is larger than the sum of its proper divisors (123278928).

131263312 is a wasteful number, since it uses less digits than its factorization.

131263312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7090 (or 7084 counting only the distinct ones).

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

The square root of 131263312 is about 11457.0202059698. The cubic root of 131263312 is about 508.2153591197.

The spelling of 131263312 in words is "one hundred thirty-one million, two hundred sixty-three thousand, three hundred twelve".