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313480787 is a prime number
BaseRepresentation
bin10010101011110…
…101011001010011
3210211212110210112
4102223311121103
51120222341122
651034551535
710524354104
oct2253653123
9724773715
10313480787
11150a51834
1288b985ab
134cc3aab9
142d8c23ab
151c7c32e2
hex12af5653

313480787 has 2 divisors, whose sum is σ = 313480788. Its totient is φ = 313480786.

The previous prime is 313480751. The next prime is 313480837. The reversal of 313480787 is 787084313.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-313480787 is a prime.

It is not a weakly prime, because it can be changed into another prime (313482787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156740393 + 156740394.

It is an arithmetic number, because the mean of its divisors is an integer number (156740394).

Almost surely, 2313480787 is an apocalyptic number.

313480787 is a deficient number, since it is larger than the sum of its proper divisors (1).

313480787 is an equidigital number, since it uses as much as digits as its factorization.

313480787 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112896, while the sum is 41.

The square root of 313480787 is about 17705.3886430092. The cubic root of 313480787 is about 679.3136001934.

The spelling of 313480787 in words is "three hundred thirteen million, four hundred eighty thousand, seven hundred eighty-seven".