131333163 has 8 divisors (see below), whose sum is σ = 188581008. Its totient is φ = 80820384.

The previous prime is 131333131. The next prime is 131333201. The reversal of 131333163 is 361333131.

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

It is not a de Polignac number, because 131333163 - 2⁵ = 131333131 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131333563) 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, 1683720 + ... + 1683797.

It is an arithmetic number, because the mean of its divisors is an integer number (23572626).

Almost surely, 2^131333163 is an apocalyptic number.

131333163 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

131333163 is a deficient number, since it is larger than the sum of its proper divisors (57247845).

131333163 is a wasteful number, since it uses less digits than its factorization.

131333163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3367533.

The product of its digits is 1458, while the sum is 24.

The square root of 131333163 is about 11460.0681935144. The cubic root of 131333163 is about 508.3054910726.

Adding to 131333163 its reverse (361333131), we get a palindrome (492666294).

The spelling of 131333163 in words is "one hundred thirty-one million, three hundred thirty-three thousand, one hundred sixty-three".