131478283 has 8 divisors (see below), whose sum is σ = 132947568. Its totient is φ = 130013664.

The previous prime is 131478251. The next prime is 131478287. The reversal of 131478283 is 382874131.

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

It is a cyclic number.

It is not a de Polignac number, because 131478283 - 2⁵ = 131478251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131478287) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107785 + ... + 108997.

It is an arithmetic number, because the mean of its divisors is an integer number (16618446).

Almost surely, 2^131478283 is an apocalyptic number.

131478283 is a deficient number, since it is larger than the sum of its proper divisors (1469285).

131478283 is a wasteful number, since it uses less digits than its factorization.

131478283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2333.

The product of its digits is 32256, while the sum is 37.

The square root of 131478283 is about 11466.3979958835. The cubic root of 131478283 is about 508.4926439547.

It can be divided in two parts, 1314 and 78283, that added together give a palindrome (79597).

The spelling of 131478283 in words is "one hundred thirty-one million, four hundred seventy-eight thousand, two hundred eighty-three".