131017361 has 8 divisors (see below), whose sum is σ = 138755904. Its totient is φ = 123449040.

The previous prime is 131017357. The next prime is 131017379. The reversal of 131017361 is 163710131.

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 131017361 - 2² = 131017357 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131017321) 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, 40970 + ... + 44051.

It is an arithmetic number, because the mean of its divisors is an integer number (17344488).

Almost surely, 2^131017361 is an apocalyptic number.

It is an amenable number.

131017361 is a deficient number, since it is larger than the sum of its proper divisors (7738543).

131017361 is an equidigital number, since it uses as much as digits as its factorization.

131017361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85111.

The product of its (nonzero) digits is 378, while the sum is 23.

The square root of 131017361 is about 11446.2815359400. The cubic root of 131017361 is about 507.8977425047.

Adding to 131017361 its reverse (163710131), we get a palindrome (294727492).

The spelling of 131017361 in words is "one hundred thirty-one million, seventeen thousand, three hundred sixty-one".