131610801 has 8 divisors (see below), whose sum is σ = 200549824. Its totient is φ = 75206160.

The previous prime is 131610781. The next prime is 131610827. The reversal of 131610801 is 108016131.

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

It is not a de Polignac number, because 131610801 - 2¹¹ = 131608753 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 6267181 = 131610801 / (1 + 3 + 1 + 6 + 1 + 0 + 8 + 0 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131610881) 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, 3133570 + ... + 3133611.

It is an arithmetic number, because the mean of its divisors is an integer number (25068728).

Almost surely, 2^131610801 is an apocalyptic number.

It is an amenable number.

131610801 is a deficient number, since it is larger than the sum of its proper divisors (68939023).

131610801 is an equidigital number, since it uses as much as digits as its factorization.

131610801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6267191.

The product of its (nonzero) digits is 144, while the sum is 21.

The square root of 131610801 is about 11472.1750771159. The cubic root of 131610801 is about 508.6634245080.

Adding to 131610801 its reverse (108016131), we get a palindrome (239626932).

The spelling of 131610801 in words is "one hundred thirty-one million, six hundred ten thousand, eight hundred one".