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316092131 = 674717793
BaseRepresentation
bin10010110101110…
…010111011100011
3211000210010212222
4102311302323203
51121404422011
651210541255
710555511255
oct2265627343
9730703788
10316092131
11152475773
1289a3782b
1350643584
142dda1cd5
151cb3bddb
hex12d72ee3

316092131 has 4 divisors (see below), whose sum is σ = 320809992. Its totient is φ = 311374272.

The previous prime is 316092103. The next prime is 316092143. The reversal of 316092131 is 131290613.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-316092131 is a prime.

It is a super-2 number, since 2×3160921312 = 199828470560242322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 316092131.

It is not an unprimeable number, because it can be changed into a prime (316092191) by changing a digit.

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, 2358830 + ... + 2358963.

It is an arithmetic number, because the mean of its divisors is an integer number (80202498).

Almost surely, 2316092131 is an apocalyptic number.

316092131 is a deficient number, since it is larger than the sum of its proper divisors (4717861).

316092131 is an equidigital number, since it uses as much as digits as its factorization.

316092131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4717860.

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 316092131 is about 17778.9800326115. The cubic root of 316092131 is about 681.1946495332.

The spelling of 316092131 in words is "three hundred sixteen million, ninety-two thousand, one hundred thirty-one".

Divisors: 1 67 4717793 316092131