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313896871 is a prime number
BaseRepresentation
bin10010101101011…
…010111110100111
3210212122121120001
4102231122332213
51120324144441
651051522131
710531036141
oct2255327647
9725577501
10313896871
11151206402
1289159347
13500552c2
142d98dc91
151c856731
hex12b5afa7

313896871 has 2 divisors, whose sum is σ = 313896872. Its totient is φ = 313896870.

The previous prime is 313896799. The next prime is 313896923. The reversal of 313896871 is 178698313.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 313896871 - 27 = 313896743 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (313896071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156948435 + 156948436.

It is an arithmetic number, because the mean of its divisors is an integer number (156948436).

Almost surely, 2313896871 is an apocalyptic number.

313896871 is a deficient number, since it is larger than the sum of its proper divisors (1).

313896871 is an equidigital number, since it uses as much as digits as its factorization.

313896871 is an evil number, because the sum of its binary digits is even.

The product of its digits is 217728, while the sum is 46.

The square root of 313896871 is about 17717.1349546139. The cubic root of 313896871 is about 679.6140189847.

The spelling of 313896871 in words is "three hundred thirteen million, eight hundred ninety-six thousand, eight hundred seventy-one".