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131323314 = 2321887219
BaseRepresentation
bin1111101001111…
…01010110110010
3100011002220201110
413310331112302
5232104321224
621010414150
73153141543
oct764752662
9304086643
10131323314
1168146171
1237b91356
132128cc05
14136264ca
15b7e0929
hex7d3d5b2

131323314 has 8 divisors (see below), whose sum is σ = 262646640. Its totient is φ = 43774436.

The previous prime is 131323303. The next prime is 131323349. The reversal of 131323314 is 413323131.

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

131323314 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10943604 + ... + 10943615.

It is an arithmetic number, because the mean of its divisors is an integer number (32830830).

Almost surely, 2131323314 is an apocalyptic number.

131323314 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131323314 is a wasteful number, since it uses less digits than its factorization.

131323314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21887224.

The product of its digits is 648, while the sum is 21.

The square root of 131323314 is about 11459.6384759730. The cubic root of 131323314 is about 508.2927843913.

Adding to 131323314 its reverse (413323131), we get a palindrome (544646445).

The spelling of 131323314 in words is "one hundred thirty-one million, three hundred twenty-three thousand, three hundred fourteen".

Divisors: 1 2 3 6 21887219 43774438 65661657 131323314