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313387471 is a prime number
BaseRepresentation
bin10010101011011…
…110100111001111
3210211200201210101
4102223132213033
51120211344341
651032551531
710523515045
oct2253364717
9724621711
10313387471
11150998711
1288b525a7
134cc07497
142d89a395
151c7a5831
hex12ade9cf

313387471 has 2 divisors, whose sum is σ = 313387472. Its totient is φ = 313387470.

The previous prime is 313387457. The next prime is 313387511. The reversal of 313387471 is 174783313.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 313387471 - 27 = 313387343 is a prime.

It is a super-3 number, since 3×3133874713 (a number of 26 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 313387471.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (313387411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156693735 + 156693736.

It is an arithmetic number, because the mean of its divisors is an integer number (156693736).

Almost surely, 2313387471 is an apocalyptic number.

313387471 is a deficient number, since it is larger than the sum of its proper divisors (1).

313387471 is an equidigital number, since it uses as much as digits as its factorization.

313387471 is an evil number, because the sum of its binary digits is even.

The product of its digits is 42336, while the sum is 37.

The square root of 313387471 is about 17702.7532039511. The cubic root of 313387471 is about 679.2461881737.

It can be divided in two parts, 31338 and 7471, that added together give a square (38809 = 1972).

The spelling of 313387471 in words is "three hundred thirteen million, three hundred eighty-seven thousand, four hundred seventy-one".