131207268 has 48 divisors (see below), whose sum is σ = 318044160. Its totient is φ = 42069024.

The previous prime is 131207231. The next prime is 131207273. The reversal of 131207268 is 862702131.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31305 + ... + 35247.

It is an arithmetic number, because the mean of its divisors is an integer number (6625920).

Almost surely, 2^131207268 is an apocalyptic number.

It is an amenable number.

131207268 is an abundant number, since it is smaller than the sum of its proper divisors (186836892).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131207268 is a wasteful number, since it uses less digits than its factorization.

131207268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4056 (or 4054 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 131207268 is about 11454.5741081893. The cubic root of 131207268 is about 508.1430198506.

Adding to 131207268 its reverse (862702131), we get a palindrome (993909399).

The spelling of 131207268 in words is "one hundred thirty-one million, two hundred seven thousand, two hundred sixty-eight".