Search a number
-
+
131333329 = 3135911801
BaseRepresentation
bin1111101001111…
…11110011010001
3100011010102110101
413310333303101
5232110131304
621010532401
73153213001
oct764776321
9304112411
10131333329
1168152746
1237b97101
132129463a
141362a001
15b7e38a4
hex7d3fcd1

131333329 has 8 divisors (see below), whose sum is σ = 135959040. Its totient is φ = 126732000.

The previous prime is 131333317. The next prime is 131333353. The reversal of 131333329 is 923333131.

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 131333329 - 27 = 131333201 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131333297 and 131333306.

It is not an unprimeable number, because it can be changed into a prime (131333029) 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, 5229 + ... + 17029.

It is an arithmetic number, because the mean of its divisors is an integer number (16994880).

Almost surely, 2131333329 is an apocalyptic number.

It is an amenable number.

131333329 is a deficient number, since it is larger than the sum of its proper divisors (4625711).

131333329 is a wasteful number, since it uses less digits than its factorization.

131333329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12191.

The product of its digits is 4374, while the sum is 28.

The square root of 131333329 is about 11460.0754360519. The cubic root of 131333329 is about 508.3057052320.

The spelling of 131333329 in words is "one hundred thirty-one million, three hundred thirty-three thousand, three hundred twenty-nine".

Divisors: 1 31 359 11129 11801 365831 4236559 131333329