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313325647 is a prime number
BaseRepresentation
bin10010101011001…
…111100001001111
3210211120120222121
4102223033201033
51120202410042
651031353411
710523136565
oct2253174117
9724516877
10313325647
11150956218
1288b22867
134cbb52bb
142d881a35
151c792367
hex12acf84f

313325647 has 2 divisors, whose sum is σ = 313325648. Its totient is φ = 313325646.

The previous prime is 313325633. The next prime is 313325659. The reversal of 313325647 is 746523313.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 313325647 - 227 = 179107919 is a prime.

It is a super-2 number, since 2×3133256472 = 196345922135937218, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (313325687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156662823 + 156662824.

It is an arithmetic number, because the mean of its divisors is an integer number (156662824).

Almost surely, 2313325647 is an apocalyptic number.

313325647 is a deficient number, since it is larger than the sum of its proper divisors (1).

313325647 is an equidigital number, since it uses as much as digits as its factorization.

313325647 is an evil number, because the sum of its binary digits is even.

The product of its digits is 45360, while the sum is 34.

The square root of 313325647 is about 17701.0069487586. The cubic root of 313325647 is about 679.2015187873.

The spelling of 313325647 in words is "three hundred thirteen million, three hundred twenty-five thousand, six hundred forty-seven".