131320363 has 8 divisors (see below), whose sum is σ = 140734368. Its totient is φ = 122215104.

The previous prime is 131320339. The next prime is 131320369. The reversal of 131320363 is 363023131.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131320363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131320369) 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, 76306 + ... + 78007.

It is an arithmetic number, because the mean of its divisors is an integer number (17591796).

Almost surely, 2^131320363 is an apocalyptic number.

131320363 is a deficient number, since it is larger than the sum of its proper divisors (9414005).

131320363 is a wasteful number, since it uses less digits than its factorization.

131320363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154373.

The product of its (nonzero) digits is 972, while the sum is 22.

The square root of 131320363 is about 11459.5097190063. The cubic root of 131320363 is about 508.2889770368.

Adding to 131320363 its reverse (363023131), we get a palindrome (494343494).

The spelling of 131320363 in words is "one hundred thirty-one million, three hundred twenty thousand, three hundred sixty-three".