Search a number
-
+
131320022 = 2431526977
BaseRepresentation
bin1111101001111…
…00100011010110
3100011002202012112
413310330203112
5232104220042
621010351022
73153126131
oct764744326
9304082175
10131320022
1168143749
1237b8b472
132128b572
1413625218
15b7de982
hex7d3c8d6

131320022 has 8 divisors (see below), whose sum is σ = 201561096. Its totient is φ = 64132992.

The previous prime is 131320009. The next prime is 131320031. The reversal of 131320022 is 220023131.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 131319979 and 131320006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 763403 + ... + 763574.

It is an arithmetic number, because the mean of its divisors is an integer number (25195137).

Almost surely, 2131320022 is an apocalyptic number.

131320022 is a deficient number, since it is larger than the sum of its proper divisors (70241074).

131320022 is a wasteful number, since it uses less digits than its factorization.

131320022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1527022.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 131320022 is about 11459.4948405242. The cubic root of 131320022 is about 508.2885370779.

Adding to 131320022 its reverse (220023131), we get a palindrome (351343153).

The spelling of 131320022 in words is "one hundred thirty-one million, three hundred twenty thousand, twenty-two".

Divisors: 1 2 43 86 1526977 3053954 65660011 131320022