131603801 has 8 divisors (see below), whose sum is σ = 150511104. Its totient is φ = 112723200.

The previous prime is 131603777. The next prime is 131603819. The reversal of 131603801 is 108306131.

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 131603801 - 2⁶ = 131603737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131603831) 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, 5336 + ... + 17078.

It is an arithmetic number, because the mean of its divisors is an integer number (18813888).

Almost surely, 2^131603801 is an apocalyptic number.

It is an amenable number.

131603801 is a deficient number, since it is larger than the sum of its proper divisors (18907303).

131603801 is a wasteful number, since it uses less digits than its factorization.

131603801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13351.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 131603801 is about 11471.8699870597. The cubic root of 131603801 is about 508.6544062333.

Adding to 131603801 its reverse (108306131), we get a palindrome (239909932).

It can be divided in two parts, 13160 and 3801, that added together give a palindrome (16961).

The spelling of 131603801 in words is "one hundred thirty-one million, six hundred three thousand, eight hundred one".