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315887119 is a prime number
BaseRepresentation
bin10010110101000…
…000111000001111
3211000101201122221
4102311000320033
51121331341434
651202320211
710553665462
oct2265007017
9730351587
10315887119
11152345739
1289959067
13505a1172
142dd4b2d9
151caeb2b4
hex12d40e0f

315887119 has 2 divisors, whose sum is σ = 315887120. Its totient is φ = 315887118.

The previous prime is 315887087. The next prime is 315887137. The reversal of 315887119 is 911788513.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 315887119 - 25 = 315887087 is a prime.

It is a super-2 number, since 2×3158871192 = 199569343900240322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (315887189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157943559 + 157943560.

It is an arithmetic number, because the mean of its divisors is an integer number (157943560).

Almost surely, 2315887119 is an apocalyptic number.

315887119 is a deficient number, since it is larger than the sum of its proper divisors (1).

315887119 is an equidigital number, since it uses as much as digits as its factorization.

315887119 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60480, while the sum is 43.

The square root of 315887119 is about 17773.2135248525. The cubic root of 315887119 is about 681.0473472471.

The spelling of 315887119 in words is "three hundred fifteen million, eight hundred eighty-seven thousand, one hundred nineteen".