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313319459 is a prime number
BaseRepresentation
bin10010101011001…
…110000000100011
3210211120021111102
4102223032000203
51120202210314
651031305015
710523112545
oct2253160043
9724507442
10313319459
11150951602
1288b1b16b
134cbb253b
142d87d695
151c7905de
hex12ace023

313319459 has 2 divisors, whose sum is σ = 313319460. Its totient is φ = 313319458.

The previous prime is 313319423. The next prime is 313319467. The reversal of 313319459 is 954913313.

It is a strong prime.

It is an emirp because it is prime and its reverse (954913313) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 313319459 - 212 = 313315363 is a prime.

It is not a weakly prime, because it can be changed into another prime (313319059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156659729 + 156659730.

It is an arithmetic number, because the mean of its divisors is an integer number (156659730).

Almost surely, 2313319459 is an apocalyptic number.

313319459 is a deficient number, since it is larger than the sum of its proper divisors (1).

313319459 is an equidigital number, since it uses as much as digits as its factorization.

313319459 is an evil number, because the sum of its binary digits is even.

The product of its digits is 43740, while the sum is 38.

The square root of 313319459 is about 17700.8321555796. The cubic root of 313319459 is about 679.1970474790.

The spelling of 313319459 in words is "three hundred thirteen million, three hundred nineteen thousand, four hundred fifty-nine".