131901282 has 18 divisors (see below), whose sum is σ = 285891723. Its totient is φ = 43950852.

The previous prime is 131901277. The next prime is 131901299. The reversal of 131901282 is 282109131.

It can be written as a sum of positive squares in only one way, i.e., 65950641 + 65950641 = 8121^2 + 8121^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=8121.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 47373 + ... + 50079.

Almost surely, 2^131901282 is an apocalyptic number.

131901282 is an abundant number, since it is smaller than the sum of its proper divisors (153990441).

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

131901282 is an frugal number, since it uses more digits than its factorization.

131901282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5422 (or 2712 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 131901282 is about 11484.8283400319. The cubic root of 131901282 is about 509.0373768135.

The spelling of 131901282 in words is "one hundred thirty-one million, nine hundred one thousand, two hundred eighty-two".